1389712174 has 16 divisors (see below), whose sum is σ = 2195107200. Its totient is φ = 658037304.

The previous prime is 1389712157. The next prime is 1389712183. The reversal of 1389712174 is 4712179831.

It is a self number, because there is not a number n which added to its sum of digits gives 1389712174.

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, 131997 + ... + 142135.

It is an arithmetic number, because the mean of its divisors is an integer number (137194200).

Almost surely, 2^1389712174 is an apocalyptic number.

1389712174 is a deficient number, since it is larger than the sum of its proper divisors (805395026).

1389712174 is a wasteful number, since it uses less digits than its factorization.

1389712174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13767.

The product of its digits is 84672, while the sum is 43.

The square root of 1389712174 is about 37278.8435174698. The cubic root of 1389712174 is about 1115.9419935978.

The spelling of 1389712174 in words is "one billion, three hundred eighty-nine million, seven hundred twelve thousand, one hundred seventy-four".