173170137 has 24 divisors (see below), whose sum is σ = 269684416. Its totient is φ = 96823008.

The previous prime is 173170097. The next prime is 173170147. The reversal of 173170137 is 731071371.

It is not a de Polignac number, because 173170137 - 2¹² = 173166041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (173170147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44523 + ... + 48255.

Almost surely, 2^173170137 is an apocalyptic number.

It is an amenable number.

173170137 is a deficient number, since it is larger than the sum of its proper divisors (96514279).

173170137 is an equidigital number, since it uses as much as digits as its factorization.

173170137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3837 (or 3790 counting only the distinct ones).

The product of its (nonzero) digits is 3087, while the sum is 30.

The square root of 173170137 is about 13159.4124868856. The cubic root of 173170137 is about 557.3880671069.

The spelling of 173170137 in words is "one hundred seventy-three million, one hundred seventy thousand, one hundred thirty-seven".