137370723 has 16 divisors (see below), whose sum is σ = 210203136. Its totient is φ = 78168960.

The previous prime is 137370689. The next prime is 137370733. The reversal of 137370723 is 327073731.

It is not a de Polignac number, because 137370723 - 2²⁵ = 103816291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137370733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8511 + ... + 18632.

It is an arithmetic number, because the mean of its divisors is an integer number (13137696).

Almost surely, 2^137370723 is an apocalyptic number.

137370723 is a deficient number, since it is larger than the sum of its proper divisors (72832413).

137370723 is a wasteful number, since it uses less digits than its factorization.

137370723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27394.

The product of its (nonzero) digits is 18522, while the sum is 33.

The square root of 137370723 is about 11720.5257134652. The cubic root of 137370723 is about 515.9782493386.

The spelling of 137370723 in words is "one hundred thirty-seven million, three hundred seventy thousand, seven hundred twenty-three".