13638506126 has 32 divisors (see below), whose sum is σ = 23528356608. Its totient is φ = 5808179520.

The previous prime is 13638506099. The next prime is 13638506149. The reversal of 13638506126 is 62160583631.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1445741 + ... + 1455143.

It is an arithmetic number, because the mean of its divisors is an integer number (735261144).

Almost surely, 2^13638506126 is an apocalyptic number.

13638506126 is a deficient number, since it is larger than the sum of its proper divisors (9889850482).

13638506126 is a wasteful number, since it uses less digits than its factorization.

13638506126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10056.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 13638506126 in words is "thirteen billion, six hundred thirty-eight million, five hundred six thousand, one hundred twenty-six".