204003134 has 4 divisors (see below), whose sum is σ = 306004704. Its totient is φ = 102001566.

The previous prime is 204003113. The next prime is 204003143. The reversal of 204003134 is 431300402.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51000782 + ... + 51000785.

It is an arithmetic number, because the mean of its divisors is an integer number (76501176).

Almost surely, 2^204003134 is an apocalyptic number.

204003134 is a deficient number, since it is larger than the sum of its proper divisors (102001570).

204003134 is a wasteful number, since it uses less digits than its factorization.

204003134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102001569.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 204003134 is about 14282.9665686089. The cubic root of 204003134 is about 588.6795462354.

Adding to 204003134 its reverse (431300402), we get a palindrome (635303536).

The spelling of 204003134 in words is "two hundred four million, three thousand, one hundred thirty-four".