204584134 has 16 divisors (see below), whose sum is σ = 329125680. Its totient is φ = 95078880.

The previous prime is 204584113. The next prime is 204584143. The reversal of 204584134 is 431485402.

It is a junction number, because it is equal to n+sod(n) for n = 204584096 and 204584105.

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 7 ways as a sum of consecutive naturals, for example, 48777 + ... + 52804.

It is an arithmetic number, because the mean of its divisors is an integer number (20570355).

Almost surely, 2^204584134 is an apocalyptic number.

204584134 is a deficient number, since it is larger than the sum of its proper divisors (124541546).

204584134 is a wasteful number, since it uses less digits than its factorization.

204584134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101655.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 204584134 is about 14303.2910199017. The cubic root of 204584134 is about 589.2378687626.

The spelling of 204584134 in words is "two hundred four million, five hundred eighty-four thousand, one hundred thirty-four".