137172959 has 8 divisors (see below), whose sum is σ = 171020928. Its totient is φ = 106887960.

The previous prime is 137172907. The next prime is 137172961. The reversal of 137172959 is 959271731.

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 137172959 - 2²⁰ = 136124383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137172359) 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, 890657 + ... + 890810.

It is an arithmetic number, because the mean of its divisors is an integer number (21377616).

Almost surely, 2^137172959 is an apocalyptic number.

137172959 is a deficient number, since it is larger than the sum of its proper divisors (33847969).

137172959 is a wasteful number, since it uses less digits than its factorization.

137172959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781485.

The product of its digits is 119070, while the sum is 44.

The square root of 137172959 is about 11712.0860225666. The cubic root of 137172959 is about 515.7305232650.

The spelling of 137172959 in words is "one hundred thirty-seven million, one hundred seventy-two thousand, nine hundred fifty-nine".