136523325631 has 12 divisors (see below), whose sum is σ = 173250380520. Its totient is φ = 106381811760.

The previous prime is 136523325581. The next prime is 136523325683.

136523325631 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 136523325631 - 2²³ = 136514937023 is a prime.

It is a super-2 number, since 2×136523325631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136526325631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126644476 + ... + 126645553.

It is an arithmetic number, because the mean of its divisors is an integer number (14437531710).

Almost surely, 2^136523325631 is an apocalyptic number.

136523325631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

136523325631 is a deficient number, since it is larger than the sum of its proper divisors (36727054889).

136523325631 is a wasteful number, since it uses less digits than its factorization.

136523325631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253290054 (or 253290047 counting only the distinct ones).

The product of its digits is 291600, while the sum is 40.

The spelling of 136523325631 in words is "one hundred thirty-six billion, five hundred twenty-three million, three hundred twenty-five thousand, six hundred thirty-one".