1389168406952 has 32 divisors (see below), whose sum is σ = 2660203278720. Its totient is φ = 679781905920.

The previous prime is 1389168406937. The next prime is 1389168406957. The reversal of 1389168406952 is 2596048619831.

It is not an unprimeable number, because it can be changed into a prime (1389168406957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15754427 + ... + 15842357.

It is an arithmetic number, because the mean of its divisors is an integer number (83131352460).

Almost surely, 2^{1389168406952} is an apocalyptic number.

It is an amenable number.

1389168406952 is a deficient number, since it is larger than the sum of its proper divisors (1271034871768).

1389168406952 is a wasteful number, since it uses less digits than its factorization.

1389168406952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130001 (or 129997 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 62.

The spelling of 1389168406952 in words is "one trillion, three hundred eighty-nine billion, one hundred sixty-eight million, four hundred six thousand, nine hundred fifty-two".