1389327025 has 24 divisors (see below), whose sum is σ = 1857693600. Its totient is φ = 1027267200.

The previous prime is 1389326999. The next prime is 1389327047. The reversal of 1389327025 is 5207239831.

It is not a de Polignac number, because 1389327025 - 2⁵ = 1389326993 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 23 ways as a sum of consecutive naturals, for example, 16195 + ... + 55144.

It is an arithmetic number, because the mean of its divisors is an integer number (77403900).

Almost surely, 2^1389327025 is an apocalyptic number.

It is an amenable number.

1389327025 is a deficient number, since it is larger than the sum of its proper divisors (468366575).

1389327025 is a wasteful number, since it uses less digits than its factorization.

1389327025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71409 (or 71404 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 1389327025 is about 37273.6773742543. The cubic root of 1389327025 is about 1115.8388922356.

The spelling of 1389327025 in words is "one billion, three hundred eighty-nine million, three hundred twenty-seven thousand, twenty-five".