204107137 has 8 divisors (see below), whose sum is σ = 223534080. Its totient is φ = 185212560.

The previous prime is 204107119. The next prime is 204107147. The reversal of 204107137 is 731701402.

It is a happy number.

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

It is not a de Polignac number, because 204107137 - 2⁷ = 204107009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204107147) 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, 132289 + ... + 133822.

It is an arithmetic number, because the mean of its divisors is an integer number (27941760).

Almost surely, 2^204107137 is an apocalyptic number.

It is an amenable number.

204107137 is a deficient number, since it is larger than the sum of its proper divisors (19426943).

204107137 is a wasteful number, since it uses less digits than its factorization.

204107137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266183.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 204107137 is about 14286.6069099699. The cubic root of 204107137 is about 588.7795676359.

Adding to 204107137 its reverse (731701402), we get a palindrome (935808539).

The spelling of 204107137 in words is "two hundred four million, one hundred seven thousand, one hundred thirty-seven".