132239720 has 32 divisors (see below), whose sum is σ = 298506600. Its totient is φ = 52723968.

The previous prime is 132239713. The next prime is 132239741. The reversal of 132239720 is 27932231.

It can be written as a sum of positive squares in 4 ways, for example, as 112826884 + 19412836 = 10622^2 + 4406^2 .

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, 7466 + ... + 17894.

Almost surely, 2^132239720 is an apocalyptic number.

132239720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132239720 is an abundant number, since it is smaller than the sum of its proper divisors (166266880).

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

132239720 is a wasteful number, since it uses less digits than its factorization.

132239720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10757 (or 10753 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 132239720 is about 11499.5530347923. The cubic root of 132239720 is about 509.4723750007.

The spelling of 132239720 in words is "one hundred thirty-two million, two hundred thirty-nine thousand, seven hundred twenty".