135816818 has 8 divisors (see below), whose sum is σ = 204099312. Its totient is φ = 67783716.

The previous prime is 135816767. The next prime is 135816827. The reversal of 135816818 is 818618531.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 60980 + ... + 63167.

It is an arithmetic number, because the mean of its divisors is an integer number (25512414).

Almost surely, 2^135816818 is an apocalyptic number.

135816818 is a deficient number, since it is larger than the sum of its proper divisors (68282494).

135816818 is a wasteful number, since it uses less digits than its factorization.

135816818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124696.

The product of its digits is 46080, while the sum is 41.

The square root of 135816818 is about 11654.0472798080. The cubic root of 135816818 is about 514.0253259082.

The spelling of 135816818 in words is "one hundred thirty-five million, eight hundred sixteen thousand, eight hundred eighteen".