135548686668 has 12 divisors (see below), whose sum is σ = 316280268920. Its totient is φ = 45182895552.

The previous prime is 135548686643. The next prime is 135548686673. The reversal of 135548686668 is 866686845531.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 135548686599 and 135548686608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5647861933 + ... + 5647861956.

Almost surely, 2^135548686668 is an apocalyptic number.

It is an amenable number.

135548686668 is an abundant number, since it is smaller than the sum of its proper divisors (180731582252).

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

135548686668 is a wasteful number, since it uses less digits than its factorization.

135548686668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11295723896 (or 11295723894 counting only the distinct ones).

The product of its digits is 199065600, while the sum is 66.

The spelling of 135548686668 in words is "one hundred thirty-five billion, five hundred forty-eight million, six hundred eighty-six thousand, six hundred sixty-eight".