133808211 has 12 divisors (see below), whose sum is σ = 194670840. Its totient is φ = 88562880.

The previous prime is 133808177. The next prime is 133808221. The reversal of 133808211 is 112808331.

It is not a de Polignac number, because 133808211 - 2⁷ = 133808083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133808221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52230 + ... + 54731.

It is an arithmetic number, because the mean of its divisors is an integer number (16222570).

Almost surely, 2^133808211 is an apocalyptic number.

133808211 is a deficient number, since it is larger than the sum of its proper divisors (60862629).

133808211 is a wasteful number, since it uses less digits than its factorization.

133808211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107106 (or 107103 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 133808211 is about 11567.5499134432. The cubic root of 133808211 is about 511.4787417027.

The spelling of 133808211 in words is "one hundred thirty-three million, eight hundred eight thousand, two hundred eleven".