1389327027 has 8 divisors (see below), whose sum is σ = 2020839360. Its totient is φ = 842016360.

The previous prime is 1389326999. The next prime is 1389327047. The reversal of 1389327027 is 7207239831.

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

It is not a de Polignac number, because 1389327027 - 2⁷ = 1389326899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1389327027.

It is not an unprimeable number, because it can be changed into a prime (1389327047) 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, 21050377 + ... + 21050442.

It is an arithmetic number, because the mean of its divisors is an integer number (252604920).

Almost surely, 2^1389327027 is an apocalyptic number.

1389327027 is a deficient number, since it is larger than the sum of its proper divisors (631512333).

1389327027 is a wasteful number, since it uses less digits than its factorization.

1389327027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42100833.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 1389327027 is about 37273.6774010829. The cubic root of 1389327027 is about 1115.8388927710.

The spelling of 1389327027 in words is "one billion, three hundred eighty-nine million, three hundred twenty-seven thousand, twenty-seven".