135091714688 has 128 divisors (see below), whose sum is σ = 326080128000. Its totient is φ = 54514114560.

The previous prime is 135091714687. The next prime is 135091714729. The reversal of 135091714688 is 886417190531.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (135091714687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 961988 + ... + 1093436.

It is an arithmetic number, because the mean of its divisors is an integer number (2547501000).

Almost surely, 2^135091714688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135091714688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163040064000).

135091714688 is an abundant number, since it is smaller than the sum of its proper divisors (190988413312).

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

135091714688 is a wasteful number, since it uses less digits than its factorization.

135091714688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131538 (or 131526 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 53.

The spelling of 135091714688 in words is "one hundred thirty-five billion, ninety-one million, seven hundred fourteen thousand, six hundred eighty-eight".