132389520 has 80 divisors (see below), whose sum is σ = 417181632. Its totient is φ = 34721280.

The previous prime is 132389513. The next prime is 132389531. The reversal of 132389520 is 25983231.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (33) 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 15 ways as a sum of consecutive naturals, for example, 10119 + ... + 19161.

Almost surely, 2^132389520 is an apocalyptic number.

132389520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 132389520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208590816).

132389520 is an abundant number, since it is smaller than the sum of its proper divisors (284792112).

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

132389520 is a wasteful number, since it uses less digits than its factorization.

132389520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9120 (or 9114 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 132389520 is about 11506.0644879125. The cubic root of 132389520 is about 509.6646776918.

The spelling of 132389520 in words is "one hundred thirty-two million, three hundred eighty-nine thousand, five hundred twenty".