13356891238 has 8 divisors (see below), whose sum is σ = 20035829232. Its totient is φ = 6678281496.

The previous prime is 13356891227. The next prime is 13356891239. The reversal of 13356891238 is 83219865331.

13356891238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×13356891238² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13356891191 and 13356891200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13356891239) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 104431 + ... + 193957.

It is an arithmetic number, because the mean of its divisors is an integer number (2504478654).

Almost surely, 2^13356891238 is an apocalyptic number.

13356891238 is a deficient number, since it is larger than the sum of its proper divisors (6678937994).

13356891238 is an equidigital number, since it uses as much as digits as its factorization.

13356891238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164126.

The product of its digits is 933120, while the sum is 49.

The spelling of 13356891238 in words is "thirteen billion, three hundred fifty-six million, eight hundred ninety-one thousand, two hundred thirty-eight".