13105938420 has 72 divisors (see below), whose sum is σ = 39804142560. Its totient is φ = 3490568640.

The previous prime is 13105938397. The next prime is 13105938451. The reversal of 13105938420 is 2483950131.

13105938420 is a `hidden beast` number, since 13 + 10 + 593 + 8 + 42 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101091 + ... + 190869.

Almost surely, 2^13105938420 is an apocalyptic number.

13105938420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13105938420 is an abundant number, since it is smaller than the sum of its proper divisors (26698204140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13105938420 is a wasteful number, since it uses less digits than its factorization.

13105938420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90605 (or 90600 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 13105938420 in words is "thirteen billion, one hundred five million, nine hundred thirty-eight thousand, four hundred twenty".