132787928 has 64 divisors (see below), whose sum is σ = 308448000. Its totient is φ = 52186752.

The previous prime is 132787891. The next prime is 132787939. The reversal of 132787928 is 829787231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129803 + ... + 130821.

It is an arithmetic number, because the mean of its divisors is an integer number (4819500).

Almost surely, 2^132787928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 132787928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154224000).

132787928 is an abundant number, since it is smaller than the sum of its proper divisors (175660072).

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

132787928 is a wasteful number, since it uses less digits than its factorization.

132787928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224 (or 1220 counting only the distinct ones).

The product of its digits is 338688, while the sum is 47.

The square root of 132787928 is about 11523.3644392599. The cubic root of 132787928 is about 510.1754208800.

The spelling of 132787928 in words is "one hundred thirty-two million, seven hundred eighty-seven thousand, nine hundred twenty-eight".