201670137 has 12 divisors (see below), whose sum is σ = 291520944. Its totient is φ = 134345400.

The previous prime is 201670039. The next prime is 201670181. The reversal of 201670137 is 731076102.

It is not a de Polignac number, because 201670137 - 2¹² = 201666041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201670137.

It is not an unprimeable number, because it can be changed into a prime (201670837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5338 + ... + 20780.

It is an arithmetic number, because the mean of its divisors is an integer number (24293412).

Almost surely, 2^201670137 is an apocalyptic number.

It is an amenable number.

201670137 is a deficient number, since it is larger than the sum of its proper divisors (89850807).

201670137 is a wasteful number, since it uses less digits than its factorization.

201670137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16900 (or 16897 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 201670137 is about 14201.0611223246. The cubic root of 201670137 is about 586.4268741014.

The spelling of 201670137 in words is "two hundred one million, six hundred seventy thousand, one hundred thirty-seven".