137149923 has 8 divisors (see below), whose sum is σ = 192491200. Its totient is φ = 86620968.

The previous prime is 137149891. The next prime is 137149933. The reversal of 137149923 is 329941731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 137149923 - 2⁵ = 137149891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137149933) 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, 1203013 + ... + 1203126.

It is an arithmetic number, because the mean of its divisors is an integer number (24061400).

Almost surely, 2^137149923 is an apocalyptic number.

137149923 is a deficient number, since it is larger than the sum of its proper divisors (55341277).

137149923 is a wasteful number, since it uses less digits than its factorization.

137149923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406161.

The product of its digits is 40824, while the sum is 39.

The square root of 137149923 is about 11711.1025527061. The cubic root of 137149923 is about 515.7016520902.

The spelling of 137149923 in words is "one hundred thirty-seven million, one hundred forty-nine thousand, nine hundred twenty-three".