132988820 has 12 divisors (see below), whose sum is σ = 279276564. Its totient is φ = 53195520.

The previous prime is 132988787. The next prime is 132988831. The reversal of 132988820 is 28889231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 61653904 + 71334916 = 7852^2 + 8446^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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, 3324701 + ... + 3324740.

It is an arithmetic number, because the mean of its divisors is an integer number (23273047).

Almost surely, 2^132988820 is an apocalyptic number.

132988820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132988820 is an abundant number, since it is smaller than the sum of its proper divisors (146287744).

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

132988820 is a wasteful number, since it uses less digits than its factorization.

132988820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6649450 (or 6649448 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 132988820 is about 11532.0778700111. The cubic root of 132988820 is about 510.4325690524.

The spelling of 132988820 in words is "one hundred thirty-two million, nine hundred eighty-eight thousand, eight hundred twenty".