13143353568 has 24 divisors (see below), whose sum is σ = 34501303368. Its totient is φ = 4381117824.

The previous prime is 13143353551. The next prime is 13143353609. The reversal of 13143353568 is 86535334131.

13143353568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

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, 68454871 + ... + 68455062.

It is an arithmetic number, because the mean of its divisors is an integer number (1437554307).

Almost surely, 2^13143353568 is an apocalyptic number.

It is an amenable number.

13143353568 is an abundant number, since it is smaller than the sum of its proper divisors (21357949800).

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

13143353568 is a wasteful number, since it uses less digits than its factorization.

13143353568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136909946 (or 136909938 counting only the distinct ones).

The product of its digits is 388800, while the sum is 42.

Adding to 13143353568 its reverse (86535334131), we get a palindrome (99678687699).

The spelling of 13143353568 in words is "thirteen billion, one hundred forty-three million, three hundred fifty-three thousand, five hundred sixty-eight".