135079871808 has 224 divisors, whose sum is σ = 415802632960. Its totient is φ = 37902090240.

The previous prime is 135079871791. The next prime is 135079871881. The reversal of 135079871808 is 808178970531.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94526838 + ... + 94528266.

Almost surely, 2^135079871808 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 135079871808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207901316480).

135079871808 is an abundant number, since it is smaller than the sum of its proper divisors (280722761152).

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

135079871808 is a wasteful number, since it uses less digits than its factorization.

135079871808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665 (or 2655 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 57.

The spelling of 135079871808 in words is "one hundred thirty-five billion, seventy-nine million, eight hundred seventy-one thousand, eight hundred eight".