135243712 has 28 divisors (see below), whose sum is σ = 270850360. Its totient is φ = 66998016.

The previous prime is 135243709. The next prime is 135243751. The reversal of 135243712 is 217342531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2718 + ... + 16669.

Almost surely, 2^135243712 is an apocalyptic number.

It is an amenable number.

135243712 is an abundant number, since it is smaller than the sum of its proper divisors (135606648).

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

135243712 is a wasteful number, since it uses less digits than its factorization.

135243712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19508 (or 19498 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 135243712 is about 11629.4330042354. The cubic root of 135243712 is about 513.3012959523.

The spelling of 135243712 in words is "one hundred thirty-five million, two hundred forty-three thousand, seven hundred twelve".