204225134 has 16 divisors (see below), whose sum is σ = 317416320. Its totient is φ = 98431200.

The previous prime is 204225121. The next prime is 204225157. The reversal of 204225134 is 431522402.

It is a happy number.

204225134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38147 + ... + 43169.

It is an arithmetic number, because the mean of its divisors is an integer number (19838520).

Almost surely, 2^204225134 is an apocalyptic number.

204225134 is a deficient number, since it is larger than the sum of its proper divisors (113191186).

204225134 is a wasteful number, since it uses less digits than its factorization.

204225134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5755.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 204225134 is about 14290.7359502581. The cubic root of 204225134 is about 588.8930061630.

Adding to 204225134 its reverse (431522402), we get a palindrome (635747536).

The spelling of 204225134 in words is "two hundred four million, two hundred twenty-five thousand, one hundred thirty-four".