135234235225 has 6 divisors (see below), whose sum is σ = 167690451710. Its totient is φ = 108187388160.

The previous prime is 135234235217. The next prime is 135234235237. The reversal of 135234235225 is 522532432531.

It can be written as a sum of positive squares in 3 ways, for example, as 41019616089 + 94214619136 = 202533^2 + 306944^2 .

It is not a de Polignac number, because 135234235225 - 2³ = 135234235217 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2704684680 + ... + 2704684729.

Almost surely, 2^135234235225 is an apocalyptic number.

It is an amenable number.

135234235225 is a deficient number, since it is larger than the sum of its proper divisors (32456216485).

135234235225 is an equidigital number, since it uses as much as digits as its factorization.

135234235225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5409369419 (or 5409369414 counting only the distinct ones).

The product of its digits is 216000, while the sum is 37.

Adding to 135234235225 its reverse (522532432531), we get a palindrome (657766667756).

The spelling of 135234235225 in words is "one hundred thirty-five billion, two hundred thirty-four million, two hundred thirty-five thousand, two hundred twenty-five".