136172862831 has 16 divisors (see below), whose sum is σ = 182460731904. Its totient is φ = 90333877824.

The previous prime is 136172862803. The next prime is 136172862871. The reversal of 136172862831 is 138268271631.

It is not a de Polignac number, because 136172862831 - 2⁶ = 136172862767 is a prime.

It is a super-2 number, since 2×136172862831² (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 (136172862871) 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, 1250490 + ... + 1355016.

It is an arithmetic number, because the mean of its divisors is an integer number (11403795744).

Almost surely, 2^136172862831 is an apocalyptic number.

136172862831 is a deficient number, since it is larger than the sum of its proper divisors (46287869073).

136172862831 is a wasteful number, since it uses less digits than its factorization.

136172862831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106670.

The product of its digits is 580608, while the sum is 48.

The spelling of 136172862831 in words is "one hundred thirty-six billion, one hundred seventy-two million, eight hundred sixty-two thousand, eight hundred thirty-one".