135225234 has 32 divisors (see below), whose sum is σ = 313568640. Its totient is φ = 43114896.

The previous prime is 135225221. The next prime is 135225241. The reversal of 135225234 is 432522531.

It is a happy number.

135225234 is a `hidden beast` number, since 135 + 2 + 2 + 523 + 4 = 666.

135225234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 135225198 and 135225207.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53197 + ... + 55680.

It is an arithmetic number, because the mean of its divisors is an integer number (9799020).

Almost surely, 2^135225234 is an apocalyptic number.

135225234 is an abundant number, since it is smaller than the sum of its proper divisors (178343406).

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

135225234 is a wasteful number, since it uses less digits than its factorization.

135225234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108911 (or 108905 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 135225234 is about 11628.6385273599. The cubic root of 135225234 is about 513.2779178762.

Adding to 135225234 its reverse (432522531), we get a palindrome (567747765).

The spelling of 135225234 in words is "one hundred thirty-five million, two hundred twenty-five thousand, two hundred thirty-four".