18382133 has 8 divisors (see below), whose sum is σ = 22918080. Its totient is φ = 14323680.

The previous prime is 18382127. The next prime is 18382141. The reversal of 18382133 is 33128381.

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

It is not a de Polignac number, because 18382133 - 2¹⁴ = 18365749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18382096 and 18382105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18382193) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 119288 + ... + 119441.

It is an arithmetic number, because the mean of its divisors is an integer number (2864760).

Almost surely, 2^18382133 is an apocalyptic number.

It is an amenable number.

18382133 is a deficient number, since it is larger than the sum of its proper divisors (4535947).

18382133 is a wasteful number, since it uses less digits than its factorization.

18382133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238747.

The product of its digits is 3456, while the sum is 29.

The square root of 18382133 is about 4287.4389791576. The cubic root of 18382133 is about 263.9157454197.

The spelling of 18382133 in words is "eighteen million, three hundred eighty-two thousand, one hundred thirty-three".