135223356 has 12 divisors (see below), whose sum is σ = 315521192. Its totient is φ = 45074448.

The previous prime is 135223349. The next prime is 135223373. The reversal of 135223356 is 653322531.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5634295 + ... + 5634318.

Almost surely, 2^135223356 is an apocalyptic number.

It is an amenable number.

135223356 is an abundant number, since it is smaller than the sum of its proper divisors (180297836).

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

135223356 is a wasteful number, since it uses less digits than its factorization.

135223356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11268620 (or 11268618 counting only the distinct ones).

The product of its digits is 16200, while the sum is 30.

The square root of 135223356 is about 11628.5577781598. The cubic root of 135223356 is about 513.2755417409.

Adding to 135223356 its reverse (653322531), we get a palindrome (788545887).

The spelling of 135223356 in words is "one hundred thirty-five million, two hundred twenty-three thousand, three hundred fifty-six".