1389159830 has 16 divisors (see below), whose sum is σ = 2501304624. Its totient is φ = 555482400.

The previous prime is 1389159829. The next prime is 1389159887. The reversal of 1389159830 is 389519831.

It is a congruent number.

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, 11969 + ... + 54051.

It is an arithmetic number, because the mean of its divisors is an integer number (156331539).

Almost surely, 2^1389159830 is an apocalyptic number.

1389159830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1389159830 is a deficient number, since it is larger than the sum of its proper divisors (1112144794).

1389159830 is a wasteful number, since it uses less digits than its factorization.

1389159830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45391.

The product of its (nonzero) digits is 233280, while the sum is 47.

The square root of 1389159830 is about 37271.4345041883. The cubic root of 1389159830 is about 1115.7941295160.

The spelling of 1389159830 in words is "one billion, three hundred eighty-nine million, one hundred fifty-nine thousand, eight hundred thirty".