132720868 has 48 divisors (see below), whose sum is σ = 272256768. Its totient is φ = 55440000.

The previous prime is 132720839. The next prime is 132720881. The reversal of 132720868 is 868027231.

It is a super-2 number, since 2×132720868² = 35229657605346848, which contains 22 as substring.

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, 200458 + ... + 201118.

It is an arithmetic number, because the mean of its divisors is an integer number (5672016).

Almost surely, 2^132720868 is an apocalyptic number.

It is an amenable number.

132720868 is an abundant number, since it is smaller than the sum of its proper divisors (139535900).

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

132720868 is a wasteful number, since it uses less digits than its factorization.

132720868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844 (or 842 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 132720868 is about 11520.4543313187. The cubic root of 132720868 is about 510.0895242048.

The spelling of 132720868 in words is "one hundred thirty-two million, seven hundred twenty thousand, eight hundred sixty-eight".