135425212 has 24 divisors (see below), whose sum is σ = 255727472. Its totient is φ = 62380800.

The previous prime is 135425209. The next prime is 135425221. The reversal of 135425212 is 212524531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27412 + ... + 31972.

Almost surely, 2^135425212 is an apocalyptic number.

It is an amenable number.

135425212 is a deficient number, since it is larger than the sum of its proper divisors (120302260).

135425212 is a wasteful number, since it uses less digits than its factorization.

135425212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5149 (or 5147 counting only the distinct ones).

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

The square root of 135425212 is about 11637.2338637668. The cubic root of 135425212 is about 513.5308138075.

Adding to 135425212 its reverse (212524531), we get a palindrome (347949743).

The spelling of 135425212 in words is "one hundred thirty-five million, four hundred twenty-five thousand, two hundred twelve".