13138169855 has 8 divisors (see below), whose sum is σ = 16033021200. Its totient is φ = 10332390976.

The previous prime is 13138169843. The next prime is 13138169873. The reversal of 13138169855 is 55896183131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13138169855 - 2⁴ = 13138169839 is a prime.

It is a super-2 number, since 2×13138169855² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22267790 + ... + 22268379.

It is an arithmetic number, because the mean of its divisors is an integer number (2004127650).

Almost surely, 2^13138169855 is an apocalyptic number.

13138169855 is a deficient number, since it is larger than the sum of its proper divisors (2894851345).

13138169855 is an equidigital number, since it uses as much as digits as its factorization.

13138169855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44536233.

The product of its digits is 777600, while the sum is 50.

The spelling of 13138169855 in words is "thirteen billion, one hundred thirty-eight million, one hundred sixty-nine thousand, eight hundred fifty-five".