13813138468 has 12 divisors (see below), whose sum is σ = 24317741952. Its totient is φ = 6865212200.

The previous prime is 13813138459. The next prime is 13813138477. The reversal of 13813138468 is 86483131831.

It is an interprime number because it is at equal distance from previous prime (13813138459) and next prime (13813138477).

It is a super-2 number, since 2×13813138468² (a number of 21 digits) contains 22 as substring.

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, 10338508 + ... + 10339843.

It is an arithmetic number, because the mean of its divisors is an integer number (2026478496).

Almost surely, 2^13813138468 is an apocalyptic number.

It is an amenable number.

13813138468 is a deficient number, since it is larger than the sum of its proper divisors (10504603484).

13813138468 is a wasteful number, since it uses less digits than its factorization.

13813138468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20678522 (or 20678520 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The spelling of 13813138468 in words is "thirteen billion, eight hundred thirteen million, one hundred thirty-eight thousand, four hundred sixty-eight".