13412209138 has 4 divisors (see below), whose sum is σ = 20118313710. Its totient is φ = 6706104568.

The previous prime is 13412209099. The next prime is 13412209157. The reversal of 13412209138 is 83190221431.

It is a happy number.

13412209138 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 7619020369 + 5793188769 = 87287^2 + 76113^2 .

It is a super-2 number, since 2×13412209138² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3353052283 + ... + 3353052286.

Almost surely, 2^13412209138 is an apocalyptic number.

13412209138 is a deficient number, since it is larger than the sum of its proper divisors (6706104572).

13412209138 is an equidigital number, since it uses as much as digits as its factorization.

13412209138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6706104571.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 13412209138 in words is "thirteen billion, four hundred twelve million, two hundred nine thousand, one hundred thirty-eight".