131396809432 has 16 divisors (see below), whose sum is σ = 281564591760. Its totient is φ = 56312918304.

The previous prime is 131396809417. The next prime is 131396809441. The reversal of 131396809432 is 234908693131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1173185743 + ... + 1173185854.

It is an arithmetic number, because the mean of its divisors is an integer number (17597786985).

Almost surely, 2^131396809432 is an apocalyptic number.

It is an amenable number.

131396809432 is an abundant number, since it is smaller than the sum of its proper divisors (150167782328).

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

131396809432 is a wasteful number, since it uses less digits than its factorization.

131396809432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2346371610 (or 2346371606 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 49.

The spelling of 131396809432 in words is "one hundred thirty-one billion, three hundred ninety-six million, eight hundred nine thousand, four hundred thirty-two".