13568145678 has 32 divisors (see below), whose sum is σ = 30200695200. Its totient is φ = 4515326208.

The previous prime is 13568145667. The next prime is 13568145683. The reversal of 13568145678 is 87654186531.

It is a happy number.

13568145678 is a `hidden beast` number, since 1 + 3 + 5 + 68 + 14 + 567 + 8 = 666.

13568145678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 15 ways as a sum of consecutive naturals, for example, 171843 + ... + 238046.

It is an arithmetic number, because the mean of its divisors is an integer number (943771725).

Almost surely, 2^13568145678 is an apocalyptic number.

13568145678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13568145678 is an abundant number, since it is smaller than the sum of its proper divisors (16632549522).

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

13568145678 is a wasteful number, since it uses less digits than its factorization.

13568145678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410513 (or 410507 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The spelling of 13568145678 in words is "thirteen billion, five hundred sixty-eight million, one hundred forty-five thousand, six hundred seventy-eight".