135612224 has 28 divisors (see below), whose sum is σ = 293571168. Its totient is φ = 61641600.

The previous prime is 135612223. The next prime is 135612227. The reversal of 135612224 is 422216531.

It is a happy number.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 135612193 and 135612202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135612223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95612 + ... + 97019.

Almost surely, 2^135612224 is an apocalyptic number.

It is an amenable number.

135612224 is an abundant number, since it is smaller than the sum of its proper divisors (157958944).

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

135612224 is a wasteful number, since it uses less digits than its factorization.

135612224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192654 (or 192644 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 135612224 is about 11645.2661626946. The cubic root of 135612224 is about 513.7670875182.

Adding to 135612224 its reverse (422216531), we get a palindrome (557828755).

The spelling of 135612224 in words is "one hundred thirty-five million, six hundred twelve thousand, two hundred twenty-four".