204042136 has 16 divisors (see below), whose sum is σ = 383012640. Its totient is φ = 101905440.

The previous prime is 204042127. The next prime is 204042203. The reversal of 204042136 is 631240402.

It is a happy number.

204042136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6711 + ... + 21286.

It is an arithmetic number, because the mean of its divisors is an integer number (23938290).

Almost surely, 2^204042136 is an apocalyptic number.

It is an amenable number.

204042136 is a deficient number, since it is larger than the sum of its proper divisors (178970504).

204042136 is a wasteful number, since it uses less digits than its factorization.

204042136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28914 (or 28910 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 204042136 is about 14284.3318359663. The cubic root of 204042136 is about 588.7170590850.

Adding to 204042136 its reverse (631240402), we get a palindrome (835282538).

The spelling of 204042136 in words is "two hundred four million, forty-two thousand, one hundred thirty-six".