135218736 has 30 divisors (see below), whose sum is σ = 378425060. Its totient is φ = 45072864.

The previous prime is 135218729. The next prime is 135218747. The reversal of 135218736 is 637812531.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 135218736.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 469366 + ... + 469653.

Almost surely, 2^135218736 is an apocalyptic number.

135218736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

135218736 is an abundant number, since it is smaller than the sum of its proper divisors (243206324).

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

135218736 is a wasteful number, since it uses less digits than its factorization.

135218736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939033 (or 939024 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 135218736 is about 11628.3591275812. The cubic root of 135218736 is about 513.2696962023.

The spelling of 135218736 in words is "one hundred thirty-five million, two hundred eighteen thousand, seven hundred thirty-six".