137273375 has 8 divisors (see below), whose sum is σ = 171317328. Its totient is φ = 109818600.

The previous prime is 137273341. The next prime is 137273387. The reversal of 137273375 is 573372731.

It is not a de Polignac number, because 137273375 - 2¹⁰ = 137272351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548969 + ... + 549218.

It is an arithmetic number, because the mean of its divisors is an integer number (21414666).

Almost surely, 2^137273375 is an apocalyptic number.

137273375 is a deficient number, since it is larger than the sum of its proper divisors (34043953).

137273375 is an equidigital number, since it uses as much as digits as its factorization.

137273375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098202 (or 1098192 counting only the distinct ones).

The product of its digits is 92610, while the sum is 38.

The square root of 137273375 is about 11716.3720920770. The cubic root of 137273375 is about 515.8563375773.

It can be divided in two parts, 1372 and 73375, that added together give a palindrome (74747).

The spelling of 137273375 in words is "one hundred thirty-seven million, two hundred seventy-three thousand, three hundred seventy-five".