132972132 has 12 divisors (see below), whose sum is σ = 310268336. Its totient is φ = 44324040.

The previous prime is 132972109. The next prime is 132972139. The reversal of 132972132 is 231279231.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 132972132.

It is not an unprimeable number, because it can be changed into a prime (132972139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5540494 + ... + 5540517.

Almost surely, 2^132972132 is an apocalyptic number.

132972132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

132972132 is an abundant number, since it is smaller than the sum of its proper divisors (177296204).

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

132972132 is a wasteful number, since it uses less digits than its factorization.

132972132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11081018 (or 11081016 counting only the distinct ones).

The product of its digits is 4536, while the sum is 30.

The square root of 132972132 is about 11531.3543003413. The cubic root of 132972132 is about 510.4112177463.

The spelling of 132972132 in words is "one hundred thirty-two million, nine hundred seventy-two thousand, one hundred thirty-two".