13905540107 has 4 divisors (see below), whose sum is σ = 14385041520. Its totient is φ = 13426038696.

The previous prime is 13905540073. The next prime is 13905540137. The reversal of 13905540107 is 70104550931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13905540107 - 2¹⁶ = 13905474571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13905540137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239750663 + ... + 239750720.

It is an arithmetic number, because the mean of its divisors is an integer number (3596260380).

Almost surely, 2^13905540107 is an apocalyptic number.

13905540107 is a deficient number, since it is larger than the sum of its proper divisors (479501413).

13905540107 is an equidigital number, since it uses as much as digits as its factorization.

13905540107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479501412.

The product of its (nonzero) digits is 18900, while the sum is 35.

The spelling of 13905540107 in words is "thirteen billion, nine hundred five million, five hundred forty thousand, one hundred seven".