132128904 has 16 divisors (see below), whose sum is σ = 330322320. Its totient is φ = 44042960.

The previous prime is 132128863. The next prime is 132128917. The reversal of 132128904 is 409821231.

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, 2752662 + ... + 2752709.

It is an arithmetic number, because the mean of its divisors is an integer number (20645145).

Almost surely, 2^132128904 is an apocalyptic number.

It is an amenable number.

132128904 is an abundant number, since it is smaller than the sum of its proper divisors (198193416).

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

132128904 is a wasteful number, since it uses less digits than its factorization.

132128904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5505380 (or 5505376 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 132128904 is about 11494.7337507225. The cubic root of 132128904 is about 509.3300237504.

The spelling of 132128904 in words is "one hundred thirty-two million, one hundred twenty-eight thousand, nine hundred four".