204156132 has 12 divisors (see below), whose sum is σ = 476364336. Its totient is φ = 68052040.

The previous prime is 204156103. The next prime is 204156137. The reversal of 204156132 is 231651402.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (204156137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8506494 + ... + 8506517.

It is an arithmetic number, because the mean of its divisors is an integer number (39697028).

Almost surely, 2^204156132 is an apocalyptic number.

It is an amenable number.

204156132 is an abundant number, since it is smaller than the sum of its proper divisors (272208204).

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

204156132 is a wasteful number, since it uses less digits than its factorization.

204156132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17013018 (or 17013016 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 204156132 is about 14288.3215249378. The cubic root of 204156132 is about 588.8266751622.

The spelling of 204156132 in words is "two hundred four million, one hundred fifty-six thousand, one hundred thirty-two".