631074470136 has 64 divisors (see below), whose sum is σ = 1721320174080. Its totient is φ = 191211578880.

The previous prime is 631074470123. The next prime is 631074470141.

631074470136 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2110960 + ... + 2391296.

It is an arithmetic number, because the mean of its divisors is an integer number (26895627720).

Almost surely, 2^631074470136 is an apocalyptic number.

631074470136 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

631074470136 is an abundant number, since it is smaller than the sum of its proper divisors (1090245703944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

631074470136 is a wasteful number, since it uses less digits than its factorization.

631074470136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288884 (or 288880 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 42.

The spelling of 631074470136 in words is "six hundred thirty-one billion, seventy-four million, four hundred seventy thousand, one hundred thirty-six".