133439093 has 2 divisors, whose sum is σ = 133439094. Its totient is φ = 133439092.

The previous prime is 133439083. The next prime is 133439129. The reversal of 133439093 is 390934331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84676804 + 48762289 = 9202^2 + 6983^2 .

It is a cyclic number.

It is not a de Polignac number, because 133439093 - 2⁶ = 133439029 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133439083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66719546 + 66719547.

It is an arithmetic number, because the mean of its divisors is an integer number (66719547).

Almost surely, 2^133439093 is an apocalyptic number.

It is an amenable number.

133439093 is a deficient number, since it is larger than the sum of its proper divisors (1).

133439093 is an equidigital number, since it uses as much as digits as its factorization.

133439093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 35.

The square root of 133439093 is about 11551.5840039364. The cubic root of 133439093 is about 511.0079936148.

The spelling of 133439093 in words is "one hundred thirty-three million, four hundred thirty-nine thousand, ninety-three".