204136356 has 24 divisors (see below), whose sum is σ = 477112384. Its totient is φ = 67932000.

The previous prime is 204136343. The next prime is 204136393. The reversal of 204136356 is 653631402.

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, 6520 + ... + 21231.

Almost surely, 2^204136356 is an apocalyptic number.

It is an amenable number.

204136356 is an abundant number, since it is smaller than the sum of its proper divisors (272976028).

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

204136356 is a wasteful number, since it uses less digits than its factorization.

204136356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28371 (or 28369 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 204136356 is about 14287.6294744790. The cubic root of 204136356 is about 588.8076619161.

Adding to 204136356 its reverse (653631402), we get a palindrome (857767758).

The spelling of 204136356 in words is "two hundred four million, one hundred thirty-six thousand, three hundred fifty-six".