131536412 has 24 divisors (see below), whose sum is σ = 278548704. Its totient is φ = 53056512.

The previous prime is 131536387. The next prime is 131536423. The reversal of 131536412 is 214635131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137693 + ... + 138644.

It is an arithmetic number, because the mean of its divisors is an integer number (11606196).

Almost surely, 2^131536412 is an apocalyptic number.

It is an amenable number.

131536412 is an abundant number, since it is smaller than the sum of its proper divisors (147012292).

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

131536412 is a wasteful number, since it uses less digits than its factorization.

131536412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276365 (or 276363 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 131536412 is about 11468.9324699381. The cubic root of 131536412 is about 508.5675709394.

The spelling of 131536412 in words is "one hundred thirty-one million, five hundred thirty-six thousand, four hundred twelve".