135113242 has 16 divisors (see below), whose sum is σ = 222322464. Its totient is φ = 61074000.

The previous prime is 135113227. The next prime is 135113243. The reversal of 135113242 is 242311531.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (135113243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12984 + ... + 20947.

It is an arithmetic number, because the mean of its divisors is an integer number (13895154).

Almost surely, 2^135113242 is an apocalyptic number.

135113242 is a deficient number, since it is larger than the sum of its proper divisors (87209222).

135113242 is a wasteful number, since it uses less digits than its factorization.

135113242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34125.

The product of its digits is 720, while the sum is 22.

The square root of 135113242 is about 11623.8221768917. The cubic root of 135113242 is about 513.1361817641.

Adding to 135113242 its reverse (242311531), we get a palindrome (377424773).

The spelling of 135113242 in words is "one hundred thirty-five million, one hundred thirteen thousand, two hundred forty-two".