139936400941 has 2 divisors, whose sum is σ = 139936400942. Its totient is φ = 139936400940.

The previous prime is 139936400911. The next prime is 139936400959. The reversal of 139936400941 is 149004639931.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87870744900 + 52065656041 = 296430^2 + 228179^2 .

It is a cyclic number.

It is not a de Polignac number, because 139936400941 - 2¹¹ = 139936398893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139936400911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69968200470 + 69968200471.

It is an arithmetic number, because the mean of its divisors is an integer number (69968200471).

Almost surely, 2^139936400941 is an apocalyptic number.

It is an amenable number.

139936400941 is a deficient number, since it is larger than the sum of its proper divisors (1).

139936400941 is an equidigital number, since it uses as much as digits as its factorization.

139936400941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 629856, while the sum is 49.

The spelling of 139936400941 in words is "one hundred thirty-nine billion, nine hundred thirty-six million, four hundred thousand, nine hundred forty-one".