204285134 has 4 divisors (see below), whose sum is σ = 306427704. Its totient is φ = 102142566.

The previous prime is 204285097. The next prime is 204285139. The reversal of 204285134 is 431582402.

It is a happy number.

204285134 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 431582402 = 2 ⋅215791201.

It is a junction number, because it is equal to n+sod(n) for n = 204285097 and 204285106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204285139) by changing a digit.

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 as a sum of consecutive naturals, namely, 51071282 + ... + 51071285.

It is an arithmetic number, because the mean of its divisors is an integer number (76606926).

Almost surely, 2^204285134 is an apocalyptic number.

204285134 is a deficient number, since it is larger than the sum of its proper divisors (102142570).

204285134 is a wasteful number, since it uses less digits than its factorization.

204285134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102142569.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 204285134 is about 14292.8350581681. The cubic root of 204285134 is about 588.9506714790.

The spelling of 204285134 in words is "two hundred four million, two hundred eighty-five thousand, one hundred thirty-four".