13904001389 has 8 divisors (see below), whose sum is σ = 14133808920. Its totient is φ = 13674254400.

The previous prime is 13904001383. The next prime is 13904001407. The reversal of 13904001389 is 98310040931.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 463540900 + 13440460489 = 21530^2 + 115933^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13904001389 - 2¹⁶ = 13903935853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13904001383) 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, 884579 + ... + 900159.

It is an arithmetic number, because the mean of its divisors is an integer number (1766726115).

Almost surely, 2^13904001389 is an apocalyptic number.

It is an amenable number.

13904001389 is a deficient number, since it is larger than the sum of its proper divisors (229807531).

13904001389 is a wasteful number, since it uses less digits than its factorization.

13904001389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30271.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 13904001389 in words is "thirteen billion, nine hundred four million, one thousand, three hundred eighty-nine".