132398320 has 20 divisors (see below), whose sum is σ = 307826280. Its totient is φ = 52959296.

The previous prime is 132398317. The next prime is 132398339. The reversal of 132398320 is 23893231.

It is a tau number, because it is divible by the number of its divisors (20).

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, 827410 + ... + 827569.

It is an arithmetic number, because the mean of its divisors is an integer number (15391314).

Almost surely, 2^132398320 is an apocalyptic number.

132398320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132398320 is an abundant number, since it is smaller than the sum of its proper divisors (175427960).

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

132398320 is a wasteful number, since it uses less digits than its factorization.

132398320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654992 (or 1654986 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 132398320 is about 11506.4468885925. The cubic root of 132398320 is about 509.6759700000.

The spelling of 132398320 in words is "one hundred thirty-two million, three hundred ninety-eight thousand, three hundred twenty".