1389701830 has 16 divisors (see below), whose sum is σ = 2728869264. Its totient is φ = 505346080.

The previous prime is 1389701783. The next prime is 1389701851. The reversal of 1389701830 is 381079831.

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, 6316717 + ... + 6316936.

It is an arithmetic number, because the mean of its divisors is an integer number (170554329).

Almost surely, 2^1389701830 is an apocalyptic number.

1389701830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1389701830 is a deficient number, since it is larger than the sum of its proper divisors (1339167434).

1389701830 is a wasteful number, since it uses less digits than its factorization.

1389701830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12633671.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 1389701830 is about 37278.7047790022. The cubic root of 1389701830 is about 1115.9392248392.

The spelling of 1389701830 in words is "one billion, three hundred eighty-nine million, seven hundred one thousand, eight hundred thirty".