13405103139 has 4 divisors (see below), whose sum is σ = 17873470856. Its totient is φ = 8936735424.

The previous prime is 13405103123. The next prime is 13405103141. The reversal of 13405103139 is 93130150431.

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

It is not a de Polignac number, because 13405103139 - 2⁴ = 13405103123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13405103119) 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, 2234183854 + ... + 2234183859.

It is an arithmetic number, because the mean of its divisors is an integer number (4468367714).

Almost surely, 2^13405103139 is an apocalyptic number.

13405103139 is a deficient number, since it is larger than the sum of its proper divisors (4468367717).

13405103139 is an equidigital number, since it uses as much as digits as its factorization.

13405103139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4468367716.

The product of its (nonzero) digits is 4860, while the sum is 30.

The spelling of 13405103139 in words is "thirteen billion, four hundred five million, one hundred three thousand, one hundred thirty-nine".