13138450406 has 32 divisors (see below), whose sum is σ = 20859603840. Its totient is φ = 6196248576.

The previous prime is 13138450399. The next prime is 13138450417. The reversal of 13138450406 is 60405483131.

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, 1568726 + ... + 1577078.

It is an arithmetic number, because the mean of its divisors is an integer number (651862620).

Almost surely, 2^13138450406 is an apocalyptic number.

13138450406 is a deficient number, since it is larger than the sum of its proper divisors (7721153434).

13138450406 is a wasteful number, since it uses less digits than its factorization.

13138450406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9008.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 13138450406 in words is "thirteen billion, one hundred thirty-eight million, four hundred fifty thousand, four hundred six".