13215351339 has 64 divisors (see below), whose sum is σ = 20838021120. Its totient is φ = 8260116480.

The previous prime is 13215351313. The next prime is 13215351343. The reversal of 13215351339 is 93315351231.

13215351339 is a `hidden beast` number, since 132 + 1 + 5 + 3 + 513 + 3 + 9 = 666.

It is not a de Polignac number, because 13215351339 - 2²⁹ = 12678480427 is a prime.

It is a super-2 number, since 2×13215351339² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13215351239) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8508787 + ... + 8510339.

It is an arithmetic number, because the mean of its divisors is an integer number (325594080).

Almost surely, 2^13215351339 is an apocalyptic number.

13215351339 is a deficient number, since it is larger than the sum of its proper divisors (7622669781).

13215351339 is a wasteful number, since it uses less digits than its factorization.

13215351339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849 (or 1843 counting only the distinct ones).

The product of its digits is 36450, while the sum is 36.

The spelling of 13215351339 in words is "thirteen billion, two hundred fifteen million, three hundred fifty-one thousand, three hundred thirty-nine".