286133 has 4 divisors (see below), whose sum is σ = 289068. Its totient is φ = 283200.

The previous prime is 286129. The next prime is 286163. The reversal of 286133 is 331682.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 208849 + 77284 = 457^2 + 278^2 .

It is a cyclic number.

It is not a de Polignac number, because 286133 - 2² = 286129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 286099 and 286108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286103) by changing a digit.

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, 1316 + ... + 1517.

It is an arithmetic number, because the mean of its divisors is an integer number (72267).

2²⁸⁶¹³³ is an apocalyptic number.

It is an amenable number.

286133 is a deficient number, since it is larger than the sum of its proper divisors (2935).

286133 is a wasteful number, since it uses less digits than its factorization.

286133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2934.

The product of its digits is 864, while the sum is 23.

The square root of 286133 is about 534.9140117813. The cubic root of 286133 is about 65.8955341555.

The spelling of 286133 in words is "two hundred eighty-six thousand, one hundred thirty-three".