133123333289 has 2 divisors, whose sum is σ = 133123333290. Its totient is φ = 133123333288.

The previous prime is 133123333283. The next prime is 133123333337. The reversal of 133123333289 is 982333321331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133011925264 + 111408025 = 364708^2 + 10555^2 .

It is a cyclic number.

It is not a de Polignac number, because 133123333289 - 2¹² = 133123329193 is a prime.

It is not a weakly prime, because it can be changed into another prime (133123333283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66561666644 + 66561666645.

It is an arithmetic number, because the mean of its divisors is an integer number (66561666645).

Almost surely, 2^133123333289 is an apocalyptic number.

It is an amenable number.

133123333289 is a deficient number, since it is larger than the sum of its proper divisors (1).

133123333289 is an equidigital number, since it uses as much as digits as its factorization.

133123333289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 41.

The spelling of 133123333289 in words is "one hundred thirty-three billion, one hundred twenty-three million, three hundred thirty-three thousand, two hundred eighty-nine".