136464464631 has 32 divisors (see below), whose sum is σ = 201797012736. Its totient is φ = 81330048000.

The previous prime is 136464464629. The next prime is 136464464641.

136464464631 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 136464464631 - 2¹ = 136464464629 is a prime.

It is a super-2 number, since 2×136464464631² (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 (136464464611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15006396 + ... + 15015486.

It is an arithmetic number, because the mean of its divisors is an integer number (6306156648).

Almost surely, 2^136464464631 is an apocalyptic number.

136464464631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

136464464631 is a deficient number, since it is larger than the sum of its proper divisors (65332548105).

136464464631 is a wasteful number, since it uses less digits than its factorization.

136464464631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16623.

The product of its digits is 2985984, while the sum is 48.

The spelling of 136464464631 in words is "one hundred thirty-six billion, four hundred sixty-four million, four hundred sixty-four thousand, six hundred thirty-one".