135086718 has 64 divisors (see below), whose sum is σ = 304057152. Its totient is φ = 39736320.

The previous prime is 135086717. The next prime is 135086723. The reversal of 135086718 is 817680531.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135086711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169096 + ... + 169892.

It is an arithmetic number, because the mean of its divisors is an integer number (4750893).

Almost surely, 2^135086718 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135086718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152028576).

135086718 is an abundant number, since it is smaller than the sum of its proper divisors (168970434).

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

135086718 is a wasteful number, since it uses less digits than its factorization.

135086718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 135086718 is about 11622.6811880908. The cubic root of 135086718 is about 513.1026017473.

The spelling of 135086718 in words is "one hundred thirty-five million, eighty-six thousand, seven hundred eighteen".