133553052 has 36 divisors (see below), whose sum is σ = 355362280. Its totient is φ = 42174432.

The previous prime is 133553027. The next prime is 133553081. The reversal of 133553052 is 250355331.

133553052 is a `hidden beast` number, since 1 + 3 + 355 + 305 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96943 + ... + 98310.

Almost surely, 2^133553052 is an apocalyptic number.

133553052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133553052 is an abundant number, since it is smaller than the sum of its proper divisors (221809228).

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

133553052 is a wasteful number, since it uses less digits than its factorization.

133553052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195282 (or 195277 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 133553052 is about 11556.5155648232. The cubic root of 133553052 is about 511.1534217372.

The spelling of 133553052 in words is "one hundred thirty-three million, five hundred fifty-three thousand, fifty-two".