13259239536 has 20 divisors (see below), whose sum is σ = 34253035592. Its totient is φ = 4419746496.

The previous prime is 13259239531. The next prime is 13259239537. The reversal of 13259239536 is 63593295231.

13259239536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 276234157 = 13259239536 / (1 + 3 + 2 + 5 + 9 + 2 + 3 + 9 + 5 + 3 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13259239531) 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, 138117031 + ... + 138117126.

Almost surely, 2^13259239536 is an apocalyptic number.

13259239536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13259239536 is an abundant number, since it is smaller than the sum of its proper divisors (20993796056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13259239536 is a wasteful number, since it uses less digits than its factorization.

13259239536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276234168 (or 276234162 counting only the distinct ones).

The product of its digits is 1312200, while the sum is 48.

The spelling of 13259239536 in words is "thirteen billion, two hundred fifty-nine million, two hundred thirty-nine thousand, five hundred thirty-six".