132521020 has 24 divisors (see below), whose sum is σ = 285083568. Its totient is φ = 51715200.

The previous prime is 132520951. The next prime is 132521023. The reversal of 132521020 is 20125231.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 132520985 and 132521003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132521023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79986 + ... + 81625.

It is an arithmetic number, because the mean of its divisors is an integer number (11878482).

Almost surely, 2^132521020 is an apocalyptic number.

132521020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132521020 is an abundant number, since it is smaller than the sum of its proper divisors (152562548).

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

132521020 is a wasteful number, since it uses less digits than its factorization.

132521020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161661 (or 161659 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 132521020 is about 11511.7774474666. Note that the first 3 decimals coincide. The cubic root of 132521020 is about 509.8333686052.

Adding to 132521020 its reverse (20125231), we get a palindrome (152646251).

The spelling of 132521020 in words is "one hundred thirty-two million, five hundred twenty-one thousand, twenty".