209133088 has 24 divisors (see below), whose sum is σ = 412061580. Its totient is φ = 104482560.

The previous prime is 209133077. The next prime is 209133097. The reversal of 209133088 is 880331902.

It can be written as a sum of positive squares in 2 ways, for example, as 162511504 + 46621584 = 12748^2 + 6828^2 .

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 3 ways as a sum of consecutive naturals, for example, 63318 + ... + 66538.

Almost surely, 2^209133088 is an apocalyptic number.

It is an amenable number.

209133088 is a deficient number, since it is larger than the sum of its proper divisors (202928492).

209133088 is a wasteful number, since it uses less digits than its factorization.

209133088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5260 (or 5252 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 209133088 is about 14461.4345069913. The cubic root of 209133088 is about 593.5731533449.

The spelling of 209133088 in words is "two hundred nine million, one hundred thirty-three thousand, eighty-eight".