389135545 has 16 divisors (see below), whose sum is σ = 473990400. Its totient is φ = 306656064.

The previous prime is 389135533. The next prime is 389135563. The reversal of 389135545 is 545531983.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389135545 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100587 + ... + 104383.

It is an arithmetic number, because the mean of its divisors is an integer number (29624400).

Almost surely, 2^389135545 is an apocalyptic number.

It is an amenable number.

389135545 is a deficient number, since it is larger than the sum of its proper divisors (84854855).

389135545 is a wasteful number, since it uses less digits than its factorization.

389135545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4104.

The product of its digits is 324000, while the sum is 43.

The square root of 389135545 is about 19726.5188261893. The cubic root of 389135545 is about 730.0741433419.

The spelling of 389135545 in words is "three hundred eighty-nine million, one hundred thirty-five thousand, five hundred forty-five".