13801280138 has 16 divisors (see below), whose sum is σ = 20994439680. Its totient is φ = 6803706000.

The previous prime is 13801280113. The next prime is 13801280147. The reversal of 13801280138 is 83108210831.

It is a junction number, because it is equal to n+sod(n) for n = 13801280098 and 13801280107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94658 + ... + 191213.

It is an arithmetic number, because the mean of its divisors is an integer number (1312152480).

Almost surely, 2^13801280138 is an apocalyptic number.

13801280138 is a deficient number, since it is larger than the sum of its proper divisors (7193159542).

13801280138 is a wasteful number, since it uses less digits than its factorization.

13801280138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286213.

The product of its (nonzero) digits is 9216, while the sum is 35.

Adding to 13801280138 its reverse (83108210831), we get a palindrome (96909490969).

The spelling of 13801280138 in words is "thirteen billion, eight hundred one million, two hundred eighty thousand, one hundred thirty-eight".