135223224120 has 80 divisors (see below), whose sum is σ = 454500291960. Its totient is φ = 36059525568.

The previous prime is 135223224107. The next prime is 135223224137. The reversal of 135223224120 is 21422322531.

135223224120 is a `hidden beast` number, since 1 + 3 + 5 + 223 + 22 + 412 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20864542 + ... + 20871021.

Almost surely, 2^135223224120 is an apocalyptic number.

135223224120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135223224120 is an abundant number, since it is smaller than the sum of its proper divisors (319277067840).

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

135223224120 is a wasteful number, since it uses less digits than its factorization.

135223224120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41735586 (or 41735573 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 135223224120 its reverse (21422322531), we get a palindrome (156645546651).

The spelling of 135223224120 in words is "one hundred thirty-five billion, two hundred twenty-three million, two hundred twenty-four thousand, one hundred twenty".