139511768413 has 2 divisors, whose sum is σ = 139511768414. Its totient is φ = 139511768412.

The previous prime is 139511768381. The next prime is 139511768471. The reversal of 139511768413 is 314867115931.

It is a happy number.

139511768413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137479291524 + 2032476889 = 370782^2 + 45083^2 .

It is a cyclic number.

It is not a de Polignac number, because 139511768413 - 2⁵ = 139511768381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139511768113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69755884206 + 69755884207.

It is an arithmetic number, because the mean of its divisors is an integer number (69755884207).

Almost surely, 2^139511768413 is an apocalyptic number.

It is an amenable number.

139511768413 is a deficient number, since it is larger than the sum of its proper divisors (1).

139511768413 is an equidigital number, since it uses as much as digits as its factorization.

139511768413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 49.

The spelling of 139511768413 in words is "one hundred thirty-nine billion, five hundred eleven million, seven hundred sixty-eight thousand, four hundred thirteen".