137645875 has 16 divisors (see below), whose sum is σ = 172126656. Its totient is φ = 109896000.

The previous prime is 137645843. The next prime is 137645891. The reversal of 137645875 is 578546731.

It is not a de Polignac number, because 137645875 - 2⁵ = 137645843 is a prime.

It is a Duffinian 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, 94402 + ... + 95848.

It is an arithmetic number, because the mean of its divisors is an integer number (10757916).

Almost surely, 2^137645875 is an apocalyptic number.

137645875 is a deficient number, since it is larger than the sum of its proper divisors (34480781).

137645875 is an equidigital number, since it uses as much as digits as its factorization.

137645875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223 (or 2213 counting only the distinct ones).

The product of its digits is 705600, while the sum is 46.

The square root of 137645875 is about 11732.2578815844. The cubic root of 137645875 is about 516.3225191115.

The spelling of 137645875 in words is "one hundred thirty-seven million, six hundred forty-five thousand, eight hundred seventy-five".