135412252 has 12 divisors (see below), whose sum is σ = 245143080. Its totient is φ = 65371376.

The previous prime is 135412237. The next prime is 135412283. The reversal of 135412252 is 252214531.

135412252 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 583558 + ... + 583789.

It is an arithmetic number, because the mean of its divisors is an integer number (20428590).

Almost surely, 2^135412252 is an apocalyptic number.

It is an amenable number.

135412252 is a deficient number, since it is larger than the sum of its proper divisors (109730828).

135412252 is a wasteful number, since it uses less digits than its factorization.

135412252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167380 (or 1167378 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 135412252 is about 11636.6770170870. The cubic root of 135412252 is about 513.5144318956.

Adding to 135412252 its reverse (252214531), we get a palindrome (387626783).

The spelling of 135412252 in words is "one hundred thirty-five million, four hundred twelve thousand, two hundred fifty-two".