33116138 has 8 divisors (see below), whose sum is σ = 54190080. Its totient is φ = 15052780.

The previous prime is 33116137. The next prime is 33116141. The reversal of 33116138 is 83161133.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (33116137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752618 + ... + 752661.

It is an arithmetic number, because the mean of its divisors is an integer number (6773760).

Almost surely, 2^33116138 is an apocalyptic number.

33116138 is a deficient number, since it is larger than the sum of its proper divisors (21073942).

33116138 is a wasteful number, since it uses less digits than its factorization.

33116138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505292.

The product of its digits is 1296, while the sum is 26.

The square root of 33116138 is about 5754.6622837487. The cubic root of 33116138 is about 321.1292718592.

It can be divided in two parts, 3311 and 6138, that added together give a palindrome (9449).

The spelling of 33116138 in words is "thirty-three million, one hundred sixteen thousand, one hundred thirty-eight".