131554732 has 12 divisors (see below), whose sum is σ = 235836216. Its totient is φ = 64172960.

The previous prime is 131554729. The next prime is 131554741. The reversal of 131554732 is 237455131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131554694 and 131554703.

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, 400918 + ... + 401245.

It is an arithmetic number, because the mean of its divisors is an integer number (19653018).

Almost surely, 2^131554732 is an apocalyptic number.

It is an amenable number.

131554732 is a deficient number, since it is larger than the sum of its proper divisors (104281484).

131554732 is a wasteful number, since it uses less digits than its factorization.

131554732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802208 (or 802206 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 131554732 is about 11469.7311215216. The cubic root of 131554732 is about 508.5911804359.

The spelling of 131554732 in words is "one hundred thirty-one million, five hundred fifty-four thousand, seven hundred thirty-two".