204134516 has 12 divisors (see below), whose sum is σ = 361540032. Its totient is φ = 100837368.

The previous prime is 204134507. The next prime is 204134569. The reversal of 204134516 is 615431402.

It is a congruent number.

It is an unprimeable number.

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, 307100 + ... + 307763.

It is an arithmetic number, because the mean of its divisors is an integer number (30128336).

Almost surely, 2^204134516 is an apocalyptic number.

It is an amenable number.

204134516 is a deficient number, since it is larger than the sum of its proper divisors (157405516).

204134516 is a wasteful number, since it uses less digits than its factorization.

204134516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614950 (or 614948 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 204134516 is about 14287.5650829664. The cubic root of 204134516 is about 588.8058928219.

Adding to 204134516 its reverse (615431402), we get a palindrome (819565918).

The spelling of 204134516 in words is "two hundred four million, one hundred thirty-four thousand, five hundred sixteen".