204112137 has 8 divisors (see below), whose sum is σ = 272705760. Its totient is φ = 135796640.

The previous prime is 204112127. The next prime is 204112163. The reversal of 204112137 is 731211402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204112137 - 2⁸ = 204111881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204112127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67812 + ... + 70757.

It is an arithmetic number, because the mean of its divisors is an integer number (34088220).

Almost surely, 2^204112137 is an apocalyptic number.

It is an amenable number.

204112137 is a deficient number, since it is larger than the sum of its proper divisors (68593623).

204112137 is a wasteful number, since it uses less digits than its factorization.

204112137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139063.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 204112137 is about 14286.7818979643. The cubic root of 204112137 is about 588.7843753623.

Adding to 204112137 its reverse (731211402), we get a palindrome (935323539).

The spelling of 204112137 in words is "two hundred four million, one hundred twelve thousand, one hundred thirty-seven".