137407375 has 16 divisors (see below), whose sum is σ = 195983424. Its totient is φ = 94221600.

The previous prime is 137407339. The next prime is 137407393. The reversal of 137407375 is 573704731.

It is not a de Polignac number, because 137407375 - 2¹¹ = 137405327 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77644 + ... + 79393.

It is an arithmetic number, because the mean of its divisors is an integer number (12248964).

Almost surely, 2^137407375 is an apocalyptic number.

137407375 is a deficient number, since it is larger than the sum of its proper divisors (58576049).

137407375 is an equidigital number, since it uses as much as digits as its factorization.

137407375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157059 (or 157049 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 37.

The square root of 137407375 is about 11722.0891909250. The cubic root of 137407375 is about 516.0241347904.

It can be divided in two parts, 13740 and 7375, that added together give a triangular number (21115 = T₂₀₅).

The spelling of 137407375 in words is "one hundred thirty-seven million, four hundred seven thousand, three hundred seventy-five".