133052520 has 32 divisors (see below), whose sum is σ = 399157920. Its totient is φ = 35480640.

The previous prime is 133052473. The next prime is 133052531. The reversal of 133052520 is 25250331.

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, 554266 + ... + 554505.

It is an arithmetic number, because the mean of its divisors is an integer number (12473685).

Almost surely, 2^133052520 is an apocalyptic number.

133052520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133052520 is an abundant number, since it is smaller than the sum of its proper divisors (266105400).

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

133052520 is a wasteful number, since it uses less digits than its factorization.

133052520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108785 (or 1108781 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 133052520 is about 11534.8394007026. The cubic root of 133052520 is about 510.5140530064.

The spelling of 133052520 in words is "one hundred thirty-three million, fifty-two thousand, five hundred twenty".