1389340891122 has 16 divisors (see below), whose sum is σ = 2778693818112. Its totient is φ = 463111624400.

The previous prime is 1389340891097. The next prime is 1389340891151. The reversal of 1389340891122 is 2211980439831.

It is a super-2 number, since 2×1389340891122² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 1840372 + ... + 2483072.

It is an arithmetic number, because the mean of its divisors is an integer number (173668363632).

Almost surely, 2^{1389340891122} is an apocalyptic number.

1389340891122 is an abundant number, since it is smaller than the sum of its proper divisors (1389352926990).

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

1389340891122 is a wasteful number, since it uses less digits than its factorization.

1389340891122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002993.

The product of its (nonzero) digits is 746496, while the sum is 51.

The spelling of 1389340891122 in words is "one trillion, three hundred eighty-nine billion, three hundred forty million, eight hundred ninety-one thousand, one hundred twenty-two".