137373215 has 20 divisors (see below), whose sum is σ = 192327864. Its totient is φ = 94190544.

The previous prime is 137373169. The next prime is 137373239. The reversal of 137373215 is 512373731.

It is not a de Polignac number, because 137373215 - 2¹⁸ = 137111071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6284 + ... + 17726.

Almost surely, 2^137373215 is an apocalyptic number.

137373215 is a deficient number, since it is larger than the sum of its proper divisors (54954649).

137373215 is an frugal number, since it uses more digits than its factorization.

137373215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11476 (or 11455 counting only the distinct ones).

The product of its digits is 13230, while the sum is 32.

The square root of 137373215 is about 11720.6320222077. The cubic root of 137373215 is about 515.9813693872.

The spelling of 137373215 in words is "one hundred thirty-seven million, three hundred seventy-three thousand, two hundred fifteen".