13857635157 has 8 divisors (see below), whose sum is σ = 18556147584. Its totient is φ = 9198773088.

The previous prime is 13857635131. The next prime is 13857635173. The reversal of 13857635157 is 75153675831.

It is a happy number.

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

It is not a de Polignac number, because 13857635157 - 2¹⁴ = 13857618773 is a prime.

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13857635257) 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, 9911773 + ... + 9913170.

It is an arithmetic number, because the mean of its divisors is an integer number (2319518448).

Almost surely, 2^13857635157 is an apocalyptic number.

It is an amenable number.

13857635157 is a deficient number, since it is larger than the sum of its proper divisors (4698512427).

13857635157 is a wasteful number, since it uses less digits than its factorization.

13857635157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19825179.

The product of its digits is 2646000, while the sum is 51.

The spelling of 13857635157 in words is "thirteen billion, eight hundred fifty-seven million, six hundred thirty-five thousand, one hundred fifty-seven".