132491520 has 432 divisors, whose sum is σ = 550996992. Its totient is φ = 28753920.

The previous prime is 132491519. The next prime is 132491533. The reversal of 132491520 is 25194231.

132491520 is a `hidden beast` number, since 132 + 4 + 9 + 1 + 520 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2499814 + ... + 2499866.

It is an arithmetic number, because the mean of its divisors is an integer number (1275456).

Almost surely, 2^132491520 is an apocalyptic number.

132491520 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 132491520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275498496).

132491520 is an abundant number, since it is smaller than the sum of its proper divisors (418505472).

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

132491520 is a wasteful number, since it uses less digits than its factorization.

132491520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 132491520 is about 11510.4960796657. The cubic root of 132491520 is about 509.7955351090.

The spelling of 132491520 in words is "one hundred thirty-two million, four hundred ninety-one thousand, five hundred twenty".