1389577125320 has 32 divisors (see below), whose sum is σ = 3126692430720. Its totient is φ = 555805268160.

The previous prime is 1389577125311. The next prime is 1389577125323. The reversal of 1389577125320 is 235217759831.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1389577125323) 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, 92819 + ... + 1669661.

It is an arithmetic number, because the mean of its divisors is an integer number (97709138460).

Almost surely, 2^{1389577125320} is an apocalyptic number.

1389577125320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1389577125320 is an abundant number, since it is smaller than the sum of its proper divisors (1737115305400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1389577125320 is a wasteful number, since it uses less digits than its factorization.

1389577125320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598885 (or 1598881 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 53.

The spelling of 1389577125320 in words is "one trillion, three hundred eighty-nine billion, five hundred seventy-seven million, one hundred twenty-five thousand, three hundred twenty".