135218118 has 16 divisors (see below), whose sum is σ = 309070080. Its totient is φ = 38633736.

The previous prime is 135218113. The next prime is 135218131. The reversal of 135218118 is 811812531.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135218113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1609698 + ... + 1609781.

It is an arithmetic number, because the mean of its divisors is an integer number (19316880).

Almost surely, 2^135218118 is an apocalyptic number.

135218118 is an abundant number, since it is smaller than the sum of its proper divisors (173851962).

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

135218118 is a wasteful number, since it uses less digits than its factorization.

135218118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3219491.

The product of its digits is 1920, while the sum is 30.

The square root of 135218118 is about 11628.3325545841. The cubic root of 135218118 is about 513.2689142566.

The spelling of 135218118 in words is "one hundred thirty-five million, two hundred eighteen thousand, one hundred eighteen".