132931440 has 60 divisors (see below), whose sum is σ = 446430504. Its totient is φ = 35448192.

The previous prime is 132931423. The next prime is 132931489. The reversal of 132931440 is 44139231.

132931440 is a `hidden beast` number, since 132 + 93 + 1 + 440 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91594 + ... + 93033.

Almost surely, 2^132931440 is an apocalyptic number.

132931440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132931440 is an abundant number, since it is smaller than the sum of its proper divisors (313499064).

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

132931440 is a wasteful number, since it uses less digits than its factorization.

132931440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184646 (or 184637 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 132931440 is about 11529.5897585300. The cubic root of 132931440 is about 510.3591472561.

The spelling of 132931440 in words is "one hundred thirty-two million, nine hundred thirty-one thousand, four hundred forty".