137373223 has 4 divisors (see below), whose sum is σ = 147940408. Its totient is φ = 126806040.

The previous prime is 137373169. The next prime is 137373239. The reversal of 137373223 is 322373731.

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 137373223 - 2¹³ = 137365031 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 (137373293) 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, 5283573 + ... + 5283598.

It is an arithmetic number, because the mean of its divisors is an integer number (36985102).

Almost surely, 2^137373223 is an apocalyptic number.

137373223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

137373223 is a deficient number, since it is larger than the sum of its proper divisors (10567185).

137373223 is a wasteful number, since it uses less digits than its factorization.

137373223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10567184.

The product of its digits is 15876, while the sum is 31.

The square root of 137373223 is about 11720.6323634862. The cubic root of 137373223 is about 515.9813794034.

The spelling of 137373223 in words is "one hundred thirty-seven million, three hundred seventy-three thousand, two hundred twenty-three".