135791123568 has 40 divisors (see below), whose sum is σ = 350816260608. Its totient is φ = 45260801472.

The previous prime is 135791123549. The next prime is 135791123609. The reversal of 135791123568 is 865321197531.

It is a self number, because there is not a number n which added to its sum of digits gives 135791123568.

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 7 ways as a sum of consecutive naturals, for example, 743521 + ... + 907967.

Almost surely, 2^135791123568 is an apocalyptic number.

It is an amenable number.

135791123568 is an abundant number, since it is smaller than the sum of its proper divisors (215025137040).

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

135791123568 is a wasteful number, since it uses less digits than its factorization.

135791123568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181661 (or 181655 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 51.

The spelling of 135791123568 in words is "one hundred thirty-five billion, seven hundred ninety-one million, one hundred twenty-three thousand, five hundred sixty-eight".