13479524138 has 16 divisors (see below), whose sum is σ = 20315111040. Its totient is φ = 6707896800.

The previous prime is 13479524117. The next prime is 13479524147. The reversal of 13479524138 is 83142597431.

13479524138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13479524092 and 13479524101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342518 + ... + 379838.

It is an arithmetic number, because the mean of its divisors is an integer number (1269694440).

Almost surely, 2^13479524138 is an apocalyptic number.

13479524138 is a deficient number, since it is larger than the sum of its proper divisors (6835586902).

13479524138 is a wasteful number, since it uses less digits than its factorization.

13479524138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38173.

The product of its digits is 725760, while the sum is 47.

The spelling of 13479524138 in words is "thirteen billion, four hundred seventy-nine million, five hundred twenty-four thousand, one hundred thirty-eight".