13336639238 has 32 divisors (see below), whose sum is σ = 21649511520. Its totient is φ = 6125253120.

The previous prime is 13336639181. The next prime is 13336639241. The reversal of 13336639238 is 83293663331.

It is a super-2 number, since 2×13336639238² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 13336639192 and 13336639201.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 5110478 + ... + 5113086.

It is an arithmetic number, because the mean of its divisors is an integer number (676547235).

Almost surely, 2^13336639238 is an apocalyptic number.

13336639238 is a deficient number, since it is larger than the sum of its proper divisors (8312872282).

13336639238 is a wasteful number, since it uses less digits than its factorization.

13336639238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3512.

The product of its digits is 1259712, while the sum is 47.

The spelling of 13336639238 in words is "thirteen billion, three hundred thirty-six million, six hundred thirty-nine thousand, two hundred thirty-eight".