137336873 has 4 divisors (see below), whose sum is σ = 137362260. Its totient is φ = 137311488.

The previous prime is 137336869. The next prime is 137336891. The reversal of 137336873 is 378633731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1194649 + 136142224 = 1093^2 + 11668^2 .

It is a cyclic number.

It is not a de Polignac number, because 137336873 - 2² = 137336869 is a prime.

It is a super-2 number, since 2×137336873² = 37722833370836258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137336873.

It is not an unprimeable number, because it can be changed into a prime (137336813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 968 + ... + 16601.

It is an arithmetic number, because the mean of its divisors is an integer number (34340565).

Almost surely, 2^137336873 is an apocalyptic number.

It is an amenable number.

137336873 is a deficient number, since it is larger than the sum of its proper divisors (25387).

137336873 is an equidigital number, since it uses as much as digits as its factorization.

137336873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25386.

The product of its digits is 190512, while the sum is 41.

The square root of 137336873 is about 11719.0815766424. The cubic root of 137336873 is about 515.9358645223.

The spelling of 137336873 in words is "one hundred thirty-seven million, three hundred thirty-six thousand, eight hundred seventy-three".