13136369407631 has 2 divisors, whose sum is σ = 13136369407632. Its totient is φ = 13136369407630.

The previous prime is 13136369407597. The next prime is 13136369407643. The reversal of 13136369407631 is 13670496363131.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (13670496363131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13136369407631 - 2³⁴ = 13119189538447 is a prime.

It is a super-2 number, since 2×13136369407631² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13136369407531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6568184703815 + 6568184703816.

It is an arithmetic number, because the mean of its divisors is an integer number (6568184703816).

Almost surely, 2^{13136369407631} is an apocalyptic number.

13136369407631 is a deficient number, since it is larger than the sum of its proper divisors (1).

13136369407631 is an equidigital number, since it uses as much as digits as its factorization.

13136369407631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4408992, while the sum is 53.

The spelling of 13136369407631 in words is "thirteen trillion, one hundred thirty-six billion, three hundred sixty-nine million, four hundred seven thousand, six hundred thirty-one".