136236552131 has 12 divisors (see below), whose sum is σ = 143809800264. Its totient is φ = 129043303200.

The previous prime is 136236552113. The next prime is 136236552143. The reversal of 136236552131 is 131255632631.

It is a de Polignac number, because none of the positive numbers 2^k-136236552131 is a prime.

It is a super-2 number, since 2×136236552131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136236552931) 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, 2211791 + ... + 2272551.

It is an arithmetic number, because the mean of its divisors is an integer number (11984150022).

Almost surely, 2^136236552131 is an apocalyptic number.

136236552131 is a deficient number, since it is larger than the sum of its proper divisors (7573248133).

136236552131 is an equidigital number, since it uses as much as digits as its factorization.

136236552131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67010 (or 66991 counting only the distinct ones).

The product of its digits is 97200, while the sum is 38.

The spelling of 136236552131 in words is "one hundred thirty-six billion, two hundred thirty-six million, five hundred fifty-two thousand, one hundred thirty-one".