137328865 has 8 divisors (see below), whose sum is σ = 173468160. Its totient is φ = 104080752.

The previous prime is 137328859. The next prime is 137328887. The reversal of 137328865 is 568823731.

137328865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137328865 - 2³ = 137328857 is a prime.

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, 722689 + ... + 722878.

It is an arithmetic number, because the mean of its divisors is an integer number (21683520).

Almost surely, 2^137328865 is an apocalyptic number.

It is an amenable number.

137328865 is a deficient number, since it is larger than the sum of its proper divisors (36139295).

137328865 is a wasteful number, since it uses less digits than its factorization.

137328865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445591.

The product of its digits is 241920, while the sum is 43.

The square root of 137328865 is about 11718.7399066623. The cubic root of 137328865 is about 515.9258363956.

The spelling of 137328865 in words is "one hundred thirty-seven million, three hundred twenty-eight thousand, eight hundred sixty-five".