204134 has 12 divisors (see below), whose sum is σ = 356364. Its totient is φ = 87444.

The previous prime is 204133. The next prime is 204137. The reversal of 204134 is 431402.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 944 + ... + 1139.

It is an arithmetic number, because the mean of its divisors is an integer number (29697).

2²⁰⁴¹³⁴ is an apocalyptic number.

204134 is a deficient number, since it is larger than the sum of its proper divisors (152230).

204134 is a wasteful number, since it uses less digits than its factorization.

204134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099 (or 2092 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 204134 is about 451.8119077669. The cubic root of 204134 is about 58.8805396704.

Adding to 204134 its reverse (431402), we get a palindrome (635536).

The spelling of 204134 in words is "two hundred four thousand, one hundred thirty-four".