137292923 has 4 divisors (see below), whose sum is σ = 138625968. Its totient is φ = 135959880.

The previous prime is 137292919. The next prime is 137292959. The reversal of 137292923 is 329292731.

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

It is a cyclic number.

It is not a de Polignac number, because 137292923 - 2² = 137292919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137292223) 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, 666368 + ... + 666573.

It is an arithmetic number, because the mean of its divisors is an integer number (34656492).

Almost surely, 2^137292923 is an apocalyptic number.

137292923 is a deficient number, since it is larger than the sum of its proper divisors (1333045).

137292923 is a wasteful number, since it uses less digits than its factorization.

137292923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333044.

The product of its digits is 40824, while the sum is 38.

The square root of 137292923 is about 11717.2062796556. The cubic root of 137292923 is about 515.8808227359.

The spelling of 137292923 in words is "one hundred thirty-seven million, two hundred ninety-two thousand, nine hundred twenty-three".