202133389 has 2 divisors, whose sum is σ = 202133390. Its totient is φ = 202133388.

The previous prime is 202133377. The next prime is 202133431. The reversal of 202133389 is 983331202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198330889 + 3802500 = 14083^2 + 1950^2 .

It is a cyclic number.

It is not a de Polignac number, because 202133389 - 2⁵ = 202133357 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202133389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202133359) by changing a digit.

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 as a sum of consecutive naturals, namely, 101066694 + 101066695.

It is an arithmetic number, because the mean of its divisors is an integer number (101066695).

Almost surely, 2^202133389 is an apocalyptic number.

It is an amenable number.

202133389 is a deficient number, since it is larger than the sum of its proper divisors (1).

202133389 is an equidigital number, since it uses as much as digits as its factorization.

202133389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 202133389 is about 14217.3622377711. The cubic root of 202133389 is about 586.8755534493.

The spelling of 202133389 in words is "two hundred two million, one hundred thirty-three thousand, three hundred eighty-nine".