135666680296 has 16 divisors (see below), whose sum is σ = 290714315040. Its totient is φ = 58142862960.

The previous prime is 135666680239. The next prime is 135666680297. The reversal of 135666680296 is 692086666531.

It is a self number, because there is not a number n which added to its sum of digits gives 135666680296.

It is not an unprimeable number, because it can be changed into a prime (135666680297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1211309590 + ... + 1211309701.

It is an arithmetic number, because the mean of its divisors is an integer number (18169644690).

Almost surely, 2^135666680296 is an apocalyptic number.

It is an amenable number.

135666680296 is an abundant number, since it is smaller than the sum of its proper divisors (155047634744).

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

135666680296 is a wasteful number, since it uses less digits than its factorization.

135666680296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422619304 (or 2422619300 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 58.

The spelling of 135666680296 in words is "one hundred thirty-five billion, six hundred sixty-six million, six hundred eighty thousand, two hundred ninety-six".