135344215342 has 16 divisors (see below), whose sum is σ = 238289430240. Its totient is φ = 56436969888.

The previous prime is 135344215339. The next prime is 135344215367. The reversal of 135344215342 is 243512443531.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

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, 130640617 + ... + 130641652.

It is an arithmetic number, because the mean of its divisors is an integer number (14893089390).

Almost surely, 2^135344215342 is an apocalyptic number.

135344215342 is a deficient number, since it is larger than the sum of its proper divisors (102945214898).

135344215342 is a wasteful number, since it uses less digits than its factorization.

135344215342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261282315.

The product of its digits is 172800, while the sum is 37.

Adding to 135344215342 its reverse (243512443531), we get a palindrome (378856658873).

The spelling of 135344215342 in words is "one hundred thirty-five billion, three hundred forty-four million, two hundred fifteen thousand, three hundred forty-two".