33808135 has 8 divisors (see below), whose sum is σ = 41878656. Its totient is φ = 26173920.

The previous prime is 33808109. The next prime is 33808147. The reversal of 33808135 is 53180833.

33808135 = T₄₇₄₆ + T₄₇₄₇ + T₄₇₄₈.

33808135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 33808135 - 2⁷ = 33808007 is a prime.

It is a super-2 number, since 2×33808135² = 2285979984356450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33808097 and 33808106.

It is a congruent number.

It is an unprimeable 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 7 ways as a sum of consecutive naturals, for example, 108904 + ... + 109213.

It is an arithmetic number, because the mean of its divisors is an integer number (5234832).

Almost surely, 2^33808135 is an apocalyptic number.

33808135 is the 4748-th centered triangular number.

33808135 is a deficient number, since it is larger than the sum of its proper divisors (8070521).

33808135 is a wasteful number, since it uses less digits than its factorization.

33808135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218153.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 33808135 is about 5814.4763306767. The cubic root of 33808135 is about 323.3506497498.

Adding to 33808135 its reverse (53180833), we get a palindrome (86988968).

The spelling of 33808135 in words is "thirty-three million, eight hundred eight thousand, one hundred thirty-five".