135130224 has 40 divisors (see below), whose sum is σ = 351651600. Its totient is φ = 44712448.

The previous prime is 135130201. The next prime is 135130249. The reversal of 135130224 is 422031531.

It is a self number, because there is not a number n which added to its sum of digits gives 135130224.

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, 3699 + ... + 16850.

It is an arithmetic number, because the mean of its divisors is an integer number (8791290).

Almost surely, 2^135130224 is an apocalyptic number.

It is an amenable number.

135130224 is an abundant number, since it is smaller than the sum of its proper divisors (216521376).

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

135130224 is a wasteful number, since it uses less digits than its factorization.

135130224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20697 (or 20691 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 135130224 is about 11624.5526365534. The cubic root of 135130224 is about 513.1576790736.

Adding to 135130224 its reverse (422031531), we get a palindrome (557161755).

The spelling of 135130224 in words is "one hundred thirty-five million, one hundred thirty thousand, two hundred twenty-four".