132509928 has 32 divisors (see below), whose sum is σ = 332609760. Its totient is φ = 43992000.

The previous prime is 132509893. The next prime is 132509953. The reversal of 132509928 is 829905231.

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, 4975 + ... + 17022.

It is an arithmetic number, because the mean of its divisors is an integer number (10394055).

Almost surely, 2^132509928 is an apocalyptic number.

It is an amenable number.

132509928 is an abundant number, since it is smaller than the sum of its proper divisors (200099832).

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

132509928 is a wasteful number, since it uses less digits than its factorization.

132509928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22257 (or 22253 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 132509928 is about 11511.2956699061. The cubic root of 132509928 is about 509.8191438693.

The spelling of 132509928 in words is "one hundred thirty-two million, five hundred nine thousand, nine hundred twenty-eight".