136574475631 has 16 divisors (see below), whose sum is σ = 151475508000. Its totient is φ = 122104144000.

The previous prime is 136574475593. The next prime is 136574475641.

136574475631 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 136574475631 - 2¹⁷ = 136574344559 is a prime.

It is a super-2 number, since 2×136574475631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136574475641) 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, 246976 + ... + 578053.

It is an arithmetic number, because the mean of its divisors is an integer number (9467219250).

Almost surely, 2^136574475631 is an apocalyptic number.

136574475631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

136574475631 is a deficient number, since it is larger than the sum of its proper divisors (14901032369).

136574475631 is a wasteful number, since it uses less digits than its factorization.

136574475631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825290.

The product of its digits is 6350400, while the sum is 52.

The spelling of 136574475631 in words is "one hundred thirty-six billion, five hundred seventy-four million, four hundred seventy-five thousand, six hundred thirty-one".