135218132 has 12 divisors (see below), whose sum is σ = 270436320. Its totient is φ = 57950616.

The previous prime is 135218131. The next prime is 135218137. The reversal of 135218132 is 231812531.

135218132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

135218132 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135218131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2414582 + ... + 2414637.

It is an arithmetic number, because the mean of its divisors is an integer number (22536360).

Almost surely, 2^135218132 is an apocalyptic number.

It is an amenable number.

135218132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

135218132 is a wasteful number, since it uses less digits than its factorization.

135218132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4829230 (or 4829228 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 135218132 is about 11628.3331565620. Note that the first 3 decimals coincide. The cubic root of 135218132 is about 513.2689319706.

The spelling of 135218132 in words is "one hundred thirty-five million, two hundred eighteen thousand, one hundred thirty-two".