13538251814 has 8 divisors (see below), whose sum is σ = 20504537040. Its totient is φ = 6703406136.

The previous prime is 13538251787. The next prime is 13538251829. The reversal of 13538251814 is 41815283531.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32859629 + ... + 32860040.

It is an arithmetic number, because the mean of its divisors is an integer number (2563067130).

Almost surely, 2^13538251814 is an apocalyptic number.

13538251814 is a deficient number, since it is larger than the sum of its proper divisors (6966285226).

13538251814 is a wasteful number, since it uses less digits than its factorization.

13538251814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65719774.

The product of its digits is 115200, while the sum is 41.

The spelling of 13538251814 in words is "thirteen billion, five hundred thirty-eight million, two hundred fifty-one thousand, eight hundred fourteen".