13857651396 has 84 divisors (see below), whose sum is σ = 36458545200. Its totient is φ = 4606661808.

The previous prime is 13857651389. The next prime is 13857651397. The reversal of 13857651396 is 69315675831.

13857651396 is a `hidden beast` number, since 1 + 38 + 5 + 7 + 6 + 513 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (13857651397) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1098895 + ... + 1111433.

It is an arithmetic number, because the mean of its divisors is an integer number (434030300).

Almost surely, 2^13857651396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13857651396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18229272600).

13857651396 is an abundant number, since it is smaller than the sum of its proper divisors (22600893804).

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

13857651396 is a wasteful number, since it uses less digits than its factorization.

13857651396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12940 (or 12923 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 54.

The spelling of 13857651396 in words is "thirteen billion, eight hundred fifty-seven million, six hundred fifty-one thousand, three hundred ninety-six".