136564535331 has 16 divisors (see below), whose sum is σ = 231220377600. Its totient is φ = 78036877224.

The previous prime is 136564535311. The next prime is 136564535333. The reversal of 136564535331 is 133535465631.

136564535331 is a `hidden beast` number, since 1 + 3 + 6 + 5 + 64 + 53 + 533 + 1 = 666.

It is not a de Polignac number, because 136564535331 - 2⁷ = 136564535203 is a prime.

It is a super-2 number, since 2×136564535331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136564535333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361281651 + ... + 361282028.

It is an arithmetic number, because the mean of its divisors is an integer number (14451273600).

Almost surely, 2^136564535331 is an apocalyptic number.

136564535331 is a deficient number, since it is larger than the sum of its proper divisors (94655842269).

136564535331 is an equidigital number, since it uses as much as digits as its factorization.

136564535331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722563695 (or 722563689 counting only the distinct ones).

The product of its digits is 1458000, while the sum is 45.

The spelling of 136564535331 in words is "one hundred thirty-six billion, five hundred sixty-four million, five hundred thirty-five thousand, three hundred thirty-one".