133314289 has 8 divisors (see below), whose sum is σ = 142189128. Its totient is φ = 124554240.

The previous prime is 133314253. The next prime is 133314331. The reversal of 133314289 is 982413331.

It can be written as a sum of positive squares in 4 ways, for example, as 22896225 + 110418064 = 4785^2 + 10508^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133314289 - 2⁹ = 133313777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133314989) 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 in 7 ways as a sum of consecutive naturals, for example, 26292 + ... + 30949.

It is an arithmetic number, because the mean of its divisors is an integer number (17773641).

Almost surely, 2^133314289 is an apocalyptic number.

It is an amenable number.

133314289 is a deficient number, since it is larger than the sum of its proper divisors (8874839).

133314289 is a wasteful number, since it uses less digits than its factorization.

133314289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57395.

The product of its digits is 15552, while the sum is 34.

The square root of 133314289 is about 11546.1807105207. The cubic root of 133314289 is about 510.8486306838.

The spelling of 133314289 in words is "one hundred thirty-three million, three hundred fourteen thousand, two hundred eighty-nine".