135223354122 has 64 divisors (see below), whose sum is σ = 289570619520. Its totient is φ = 41972649984.

The previous prime is 135223354087. The next prime is 135223354129. The reversal of 135223354122 is 221453322531.

135223354122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (135223354129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2410618 + ... + 2466074.

It is an arithmetic number, because the mean of its divisors is an integer number (4524540930).

Almost surely, 2^135223354122 is an apocalyptic number.

135223354122 is an abundant number, since it is smaller than the sum of its proper divisors (154347265398).

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

135223354122 is a wasteful number, since it uses less digits than its factorization.

135223354122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55847.

The product of its digits is 43200, while the sum is 33.

Adding to 135223354122 its reverse (221453322531), we get a palindrome (356676676653).

The spelling of 135223354122 in words is "one hundred thirty-five billion, two hundred twenty-three million, three hundred fifty-four thousand, one hundred twenty-two".