From 4f2006f08f921b00c19d02761ef50845082b6d2b Mon Sep 17 00:00:00 2001
From: ashishkg0022 <ashishkg0022@gmail.com>
Date: Fri, 3 Nov 2017 14:02:49 +0530
Subject: [PATCH 1/3] added property is_number

---
 sympy/functions/special/hyper.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/sympy/functions/special/hyper.py b/sympy/functions/special/hyper.py
index 05dd3ec32606..fff0a1b988ca 100644
--- a/sympy/functions/special/hyper.py
+++ b/sympy/functions/special/hyper.py
@@ -704,6 +704,12 @@ def delta(self):
             c.f. references. """
         return len(self.bm) + len(self.an) - S(len(self.ap) + len(self.bq))/2
 
+    @property
+    def is_number(self):
+        """ Returns true if expression has numeric data only. """
+        from sympy import Symbol
+        return not self.atoms(Symbol)
+
 
 class HyperRep(Function):
     """

From 55446f71595940670be1cd3b1f142cde7c29c1b9 Mon Sep 17 00:00:00 2001
From: ashishkg0022 <ashishkg0022@gmail.com>
Date: Fri, 3 Nov 2017 14:03:43 +0530
Subject: [PATCH 2/3] added tests for is_number property

---
 sympy/functions/special/tests/test_hyper.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sympy/functions/special/tests/test_hyper.py b/sympy/functions/special/tests/test_hyper.py
index bb9290d3a329..11e5b90b8786 100644
--- a/sympy/functions/special/tests/test_hyper.py
+++ b/sympy/functions/special/tests/test_hyper.py
@@ -123,6 +123,9 @@ def test_meijer():
     assert g.nu == 75
     assert g.delta == -1
     assert g.is_commutative is True
+    assert g.is_number is False
+    #issue 13071
+    assert meijerg([[],[]], [[S(1)/2],[0]], 1).is_number is True
 
     assert meijerg([1, 2], [3], [4], [5], z).delta == S(1)/2
 

From f62afe1dc2db3904abeb3afa73d82fa06c5dd5bb Mon Sep 17 00:00:00 2001
From: ashishkg0022 <ashishkg0022@gmail.com>
Date: Sat, 4 Nov 2017 00:58:56 +0530
Subject: [PATCH 3/3] modified to ignore bound symbols

---
 sympy/functions/special/hyper.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sympy/functions/special/hyper.py b/sympy/functions/special/hyper.py
index fff0a1b988ca..3cb31fe5176c 100644
--- a/sympy/functions/special/hyper.py
+++ b/sympy/functions/special/hyper.py
@@ -707,8 +707,7 @@ def delta(self):
     @property
     def is_number(self):
         """ Returns true if expression has numeric data only. """
-        from sympy import Symbol
-        return not self.atoms(Symbol)
+        return not self.free_symbols
 
 
 class HyperRep(Function):