818134 has 8 divisors (see below), whose sum is σ = 1237248. Its totient is φ = 405720.

The previous prime is 818123. The next prime is 818143. The reversal of 818134 is 431818.

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

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 818099 and 818108.

It is a congruent number.

It is an unprimeable number.

818134 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1357 + ... + 1864.

It is an arithmetic number, because the mean of its divisors is an integer number (154656).

2⁸¹⁸¹³⁴ is an apocalyptic number.

818134 is a deficient number, since it is larger than the sum of its proper divisors (419114).

818134 is a wasteful number, since it uses less digits than its factorization.

818134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350.

The product of its digits is 768, while the sum is 25.

The square root of 818134 is about 904.5076008525. The cubic root of 818134 is about 93.5279640303.

The spelling of 818134 in words is "eight hundred eighteen thousand, one hundred thirty-four".