131357432 has 16 divisors (see below), whose sum is σ = 252023640. Its totient is φ = 64151136.

The previous prime is 131357353. The next prime is 131357459. The reversal of 131357432 is 234753131.

It is a junction number, because it is equal to n+sod(n) for n = 131357395 and 131357404.

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, 190583 + ... + 191270.

Almost surely, 2^131357432 is an apocalyptic number.

It is an amenable number.

131357432 is a deficient number, since it is larger than the sum of its proper divisors (120666208).

131357432 is a wasteful number, since it uses less digits than its factorization.

131357432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381902 (or 381898 counting only the distinct ones).

The product of its digits is 7560, while the sum is 29.

The square root of 131357432 is about 11461.1269951955. The cubic root of 131357432 is about 508.3367989969.

The spelling of 131357432 in words is "one hundred thirty-one million, three hundred fifty-seven thousand, four hundred thirty-two".