Merge pull request #13558 from ashishkg0022/meijerg

added is_number property for meijerg

sympy/functions/special/hyper.py

@@ -704,6 +704,11 @@ 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. """
+        return not self.free_symbols
+
 
 class HyperRep(Function):
     """

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