13818395135 has 4 divisors (see below), whose sum is σ = 16582074168. Its totient is φ = 11054716104.

The previous prime is 13818395089. The next prime is 13818395159. The reversal of 13818395135 is 53159381831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53159381831 = 1789 ⋅29714579.

It is a cyclic number.

It is not a de Polignac number, because 13818395135 - 2²⁸ = 13549959679 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13818395135.

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, 1381839509 + ... + 1381839518.

It is an arithmetic number, because the mean of its divisors is an integer number (4145518542).

Almost surely, 2^13818395135 is an apocalyptic number.

13818395135 is a deficient number, since it is larger than the sum of its proper divisors (2763679033).

13818395135 is an equidigital number, since it uses as much as digits as its factorization.

13818395135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2763679032.

The product of its digits is 388800, while the sum is 47.

The spelling of 13818395135 in words is "thirteen billion, eight hundred eighteen million, three hundred ninety-five thousand, one hundred thirty-five".