135856326680 has 32 divisors (see below), whose sum is σ = 316217314800. Its totient is φ = 52468649856.

The previous prime is 135856326673. The next prime is 135856326701. The reversal of 135856326680 is 86623658531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58557602 + ... + 58559921.

Almost surely, 2^135856326680 is an apocalyptic number.

135856326680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135856326680 is an abundant number, since it is smaller than the sum of its proper divisors (180360988120).

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

135856326680 is a wasteful number, since it uses less digits than its factorization.

135856326680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117117563 (or 117117559 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 53.

The spelling of 135856326680 in words is "one hundred thirty-five billion, eight hundred fifty-six million, three hundred twenty-six thousand, six hundred eighty".