139601574060761 has 2 divisors, whose sum is σ = 139601574060762. Its totient is φ = 139601574060760.

The previous prime is 139601574060737. The next prime is 139601574060833. The reversal of 139601574060761 is 167060475106931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74583864078025 + 65017709982736 = 8636195^2 + 8063356^2 .

It is a cyclic number.

It is not a de Polignac number, because 139601574060761 - 2¹⁰ = 139601574059737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139601574060697 and 139601574060706.

It is not a weakly prime, because it can be changed into another prime (139601574060161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69800787030380 + 69800787030381.

It is an arithmetic number, because the mean of its divisors is an integer number (69800787030381).

Almost surely, 2^{139601574060761} is an apocalyptic number.

It is an amenable number.

139601574060761 is a deficient number, since it is larger than the sum of its proper divisors (1).

139601574060761 is an equidigital number, since it uses as much as digits as its factorization.

139601574060761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5715360, while the sum is 56.

The spelling of 139601574060761 in words is "one hundred thirty-nine trillion, six hundred one billion, five hundred seventy-four million, sixty thousand, seven hundred sixty-one".