133118 has 8 divisors (see below), whose sum is σ = 201960. Its totient is φ = 65800.

The previous prime is 133117. The next prime is 133121. The reversal of 133118 is 811331.

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

It is a junction number, because it is equal to n+sod(n) for n = 133096 and 133105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133117) 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, 128 + ... + 531.

It is an arithmetic number, because the mean of its divisors is an integer number (25245).

2¹³³¹¹⁸ is an apocalyptic number.

133118 is a deficient number, since it is larger than the sum of its proper divisors (68842).

133118 is a wasteful number, since it uses less digits than its factorization.

133118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762.

The product of its digits is 72, while the sum is 17.

The square root of 133118 is about 364.8533952151. The cubic root of 133118 is about 51.0597786803.

Adding to 133118 its reverse (811331), we get a palindrome (944449).

The spelling of 133118 in words is "one hundred thirty-three thousand, one hundred eighteen".