135225052 has 24 divisors (see below), whose sum is σ = 255180240. Its totient is φ = 62490240.

The previous prime is 135225049. The next prime is 135225061. The reversal of 135225052 is 250522531.

It is a happy number.

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, 18583 + ... + 24814.

It is an arithmetic number, because the mean of its divisors is an integer number (10632510).

Almost surely, 2^135225052 is an apocalyptic number.

It is an amenable number.

135225052 is a deficient number, since it is larger than the sum of its proper divisors (119955188).

135225052 is a wasteful number, since it uses less digits than its factorization.

135225052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43461 (or 43459 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 135225052 is about 11628.6307018496. The cubic root of 135225052 is about 513.2776876021.

Adding to 135225052 its reverse (250522531), we get a palindrome (385747583).

The spelling of 135225052 in words is "one hundred thirty-five million, two hundred twenty-five thousand, fifty-two".