135225316122 has 64 divisors (see below), whose sum is σ = 300259782144. Its totient is φ = 40334261760.

The previous prime is 135225316097. The next prime is 135225316151. The reversal of 135225316122 is 221613522531.

It is a super-2 number, since 2×135225316122² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 367423 + ... + 636749.

It is an arithmetic number, because the mean of its divisors is an integer number (4691559096).

Almost surely, 2^135225316122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135225316122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150129891072).

135225316122 is an abundant number, since it is smaller than the sum of its proper divisors (165034466022).

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

135225316122 is a wasteful number, since it uses less digits than its factorization.

135225316122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269543.

The product of its digits is 21600, while the sum is 33.

Adding to 135225316122 its reverse (221613522531), we get a palindrome (356838838653).

The spelling of 135225316122 in words is "one hundred thirty-five billion, two hundred twenty-five million, three hundred sixteen thousand, one hundred twenty-two".