135818 has 8 divisors (see below), whose sum is σ = 207360. Its totient is φ = 66700.

The previous prime is 135799. The next prime is 135829. The reversal of 135818 is 818531.

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

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 135818.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458 + ... + 693.

It is an arithmetic number, because the mean of its divisors is an integer number (25920).

2¹³⁵⁸¹⁸ is an apocalyptic number.

135818 is a deficient number, since it is larger than the sum of its proper divisors (71542).

135818 is a wasteful number, since it uses less digits than its factorization.

135818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212.

The product of its digits is 960, while the sum is 26.

The square root of 135818 is about 368.5349372855. The cubic root of 135818 is about 51.4026817074.

The spelling of 135818 in words is "one hundred thirty-five thousand, eight hundred eighteen".