132388864 has 48 divisors (see below), whose sum is σ = 267321600. Its totient is φ = 65544192.

The previous prime is 132388847. The next prime is 132388871. The reversal of 132388864 is 468883231.

It is a super-2 number, since 2×132388864² = 35053622622420992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 132388864.

It is a congruent number.

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, 259842 + ... + 260350.

It is an arithmetic number, because the mean of its divisors is an integer number (5569200).

Almost surely, 2^132388864 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 132388864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133660800).

132388864 is an abundant number, since it is smaller than the sum of its proper divisors (134932736).

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

132388864 is an equidigital number, since it uses as much as digits as its factorization.

132388864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658 (or 638 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 132388864 is about 11506.0359811709. The cubic root of 132388864 is about 509.6638358815.

The spelling of 132388864 in words is "one hundred thirty-two million, three hundred eighty-eight thousand, eight hundred sixty-four".