13857159 has 16 divisors (see below), whose sum is σ = 19692288. Its totient is φ = 8637312.

The previous prime is 13857131. The next prime is 13857163. The reversal of 13857159 is 95175831.

It is not a de Polignac number, because 13857159 - 2¹¹ = 13855111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13857359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7704 + ... + 9330.

It is an arithmetic number, because the mean of its divisors is an integer number (1230768).

Almost surely, 2^13857159 is an apocalyptic number.

13857159 is a deficient number, since it is larger than the sum of its proper divisors (5835129).

13857159 is a wasteful number, since it uses less digits than its factorization.

13857159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814.

The product of its digits is 37800, while the sum is 39.

The square root of 13857159 is about 3722.5205170690. The cubic root of 13857159 is about 240.1917391374.

The spelling of 13857159 in words is "thirteen million, eight hundred fifty-seven thousand, one hundred fifty-nine".