135843218 has 32 divisors (see below), whose sum is σ = 240044160. Its totient is φ = 56453760.

The previous prime is 135843203. The next prime is 135843223. The reversal of 135843218 is 812348531.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 61253 + ... + 63431.

It is an arithmetic number, because the mean of its divisors is an integer number (7501380).

Almost surely, 2^135843218 is an apocalyptic number.

135843218 is a deficient number, since it is larger than the sum of its proper divisors (104200942).

135843218 is a wasteful number, since it uses less digits than its factorization.

135843218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322.

The product of its digits is 23040, while the sum is 35.

The square root of 135843218 is about 11655.1798784918. The cubic root of 135843218 is about 514.0586290726.

The spelling of 135843218 in words is "one hundred thirty-five million, eight hundred forty-three thousand, two hundred eighteen".