133880532 has 24 divisors (see below), whose sum is σ = 312900672. Its totient is φ = 44553600.

The previous prime is 133880519. The next prime is 133880557. The reversal of 133880532 is 235088331.

It is a junction number, because it is equal to n+sod(n) for n = 133880493 and 133880502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1269 + ... + 16412.

It is an arithmetic number, because the mean of its divisors is an integer number (13037528).

Almost surely, 2^133880532 is an apocalyptic number.

133880532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133880532 is an abundant number, since it is smaller than the sum of its proper divisors (179020140).

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

133880532 is a wasteful number, since it uses less digits than its factorization.

133880532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18319 (or 18317 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 133880532 is about 11570.6755204698. The cubic root of 133880532 is about 511.5708735471.

The spelling of 133880532 in words is "one hundred thirty-three million, eight hundred eighty thousand, five hundred thirty-two".