204788136 has 64 divisors (see below), whose sum is σ = 610560000. Its totient is φ = 55965888.

The previous prime is 204788119. The next prime is 204788149. The reversal of 204788136 is 631887402.

It is a junction number, because it is equal to n+sod(n) for n = 204788094 and 204788103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22636 + ... + 30363.

It is an arithmetic number, because the mean of its divisors is an integer number (9540000).

Almost surely, 2^204788136 is an apocalyptic number.

It is an amenable number.

204788136 is an abundant number, since it is smaller than the sum of its proper divisors (405771864).

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

204788136 is a wasteful number, since it uses less digits than its factorization.

204788136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53038 (or 53034 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 204788136 is about 14310.4205388940. The cubic root of 204788136 is about 589.4336574403.

The spelling of 204788136 in words is "two hundred four million, seven hundred eighty-eight thousand, one hundred thirty-six".