135355214242 has 16 divisors (see below), whose sum is σ = 215048788920. Its totient is φ = 63674983168.

The previous prime is 135355214237. The next prime is 135355214287. The reversal of 135355214242 is 242412553531.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 132926597281 + 2428616961 = 364591^2 + 49281^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572617 + ... + 773692.

Almost surely, 2^135355214242 is an apocalyptic number.

135355214242 is a deficient number, since it is larger than the sum of its proper divisors (79693574678).

135355214242 is a wasteful number, since it uses less digits than its factorization.

135355214242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349285.

The product of its digits is 144000, while the sum is 37.

Adding to 135355214242 its reverse (242412553531), we get a palindrome (377767767773).

The spelling of 135355214242 in words is "one hundred thirty-five billion, three hundred fifty-five million, two hundred fourteen thousand, two hundred forty-two".