135544252 has 12 divisors (see below), whose sum is σ = 249686920. Its totient is φ = 64205136.

The previous prime is 135544249. The next prime is 135544301. The reversal of 135544252 is 252445531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 891663 + ... + 891814.

Almost surely, 2^135544252 is an apocalyptic number.

It is an amenable number.

135544252 is a deficient number, since it is larger than the sum of its proper divisors (114142668).

135544252 is a wasteful number, since it uses less digits than its factorization.

135544252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783500 (or 1783498 counting only the distinct ones).

The product of its digits is 24000, while the sum is 31.

The square root of 135544252 is about 11642.3473578141. The cubic root of 135544252 is about 513.6812358361.

Adding to 135544252 its reverse (252445531), we get a palindrome (387989783).

The spelling of 135544252 in words is "one hundred thirty-five million, five hundred forty-four thousand, two hundred fifty-two".