389515137 has 8 divisors (see below), whose sum is σ = 566567520. Its totient is φ = 236069760.

The previous prime is 389515127. The next prime is 389515157. The reversal of 389515137 is 731515983.

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

It is not a de Polignac number, because 389515137 - 2⁴ = 389515121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (389515117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5901712 + ... + 5901777.

It is an arithmetic number, because the mean of its divisors is an integer number (70820940).

Almost surely, 2^389515137 is an apocalyptic number.

It is an amenable number.

389515137 is a deficient number, since it is larger than the sum of its proper divisors (177052383).

389515137 is a wasteful number, since it uses less digits than its factorization.

389515137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11803503.

The product of its digits is 113400, while the sum is 42.

The square root of 389515137 is about 19736.1378440667. The cubic root of 389515137 is about 730.3114558887.

The spelling of 389515137 in words is "three hundred eighty-nine million, five hundred fifteen thousand, one hundred thirty-seven".