208896133 has 2 divisors, whose sum is σ = 208896134. Its totient is φ = 208896132.

The previous prime is 208896109. The next prime is 208896169. The reversal of 208896133 is 331698802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137780644 + 71115489 = 11738^2 + 8433^2 .

It is a cyclic number.

It is not a de Polignac number, because 208896133 - 2⁵ = 208896101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208896173) 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 as a sum of consecutive naturals, namely, 104448066 + 104448067.

It is an arithmetic number, because the mean of its divisors is an integer number (104448067).

Almost surely, 2^208896133 is an apocalyptic number.

It is an amenable number.

208896133 is a deficient number, since it is larger than the sum of its proper divisors (1).

208896133 is an equidigital number, since it uses as much as digits as its factorization.

208896133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 208896133 is about 14453.2395330597. The cubic root of 208896133 is about 593.3488890071.

The spelling of 208896133 in words is "two hundred eight million, eight hundred ninety-six thousand, one hundred thirty-three".