135511423242 has 32 divisors (see below), whose sum is σ = 301935271680. Its totient is φ = 40258034880.

The previous prime is 135511423219. The next prime is 135511423259. The reversal of 135511423242 is 242324115531.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29951634 + ... + 29956157.

It is an arithmetic number, because the mean of its divisors is an integer number (9435477240).

Almost surely, 2^135511423242 is an apocalyptic number.

135511423242 is an abundant number, since it is smaller than the sum of its proper divisors (166423848438).

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

135511423242 is a wasteful number, since it uses less digits than its factorization.

135511423242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59907838.

The product of its digits is 28800, while the sum is 33.

Adding to 135511423242 its reverse (242324115531), we get a palindrome (377835538773).

The spelling of 135511423242 in words is "one hundred thirty-five billion, five hundred eleven million, four hundred twenty-three thousand, two hundred forty-two".