13136511613 has 2 divisors, whose sum is σ = 13136511614. Its totient is φ = 13136511612.

The previous prime is 13136511587. The next prime is 13136511629. The reversal of 13136511613 is 31611563131.

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., 12913367769 + 223143844 = 113637^2 + 14938^2 .

It is a cyclic number.

It is not a de Polignac number, because 13136511613 - 2⁵ = 13136511581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13136511673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6568255806 + 6568255807.

It is an arithmetic number, because the mean of its divisors is an integer number (6568255807).

Almost surely, 2^13136511613 is an apocalyptic number.

It is an amenable number.

13136511613 is a deficient number, since it is larger than the sum of its proper divisors (1).

13136511613 is an equidigital number, since it uses as much as digits as its factorization.

13136511613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 31.

The spelling of 13136511613 in words is "thirteen billion, one hundred thirty-six million, five hundred eleven thousand, six hundred thirteen".