1389113338074 has 128 divisors (see below), whose sum is σ = 3513346099200. Its totient is φ = 355663257600.

The previous prime is 1389113338073. The next prime is 1389113338087. The reversal of 1389113338074 is 4708333119831.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1389113338073) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17177014 + ... + 17257694.

It is an arithmetic number, because the mean of its divisors is an integer number (27448016400).

Almost surely, 2^{1389113338074} is an apocalyptic number.

1389113338074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1389113338074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1756673049600).

1389113338074 is an abundant number, since it is smaller than the sum of its proper divisors (2124232761126).

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

1389113338074 is a wasteful number, since it uses less digits than its factorization.

1389113338074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81236.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 1389113338074 in words is "one trillion, three hundred eighty-nine billion, one hundred thirteen million, three hundred thirty-eight thousand, seventy-four".