133814689 has 2 divisors, whose sum is σ = 133814690. Its totient is φ = 133814688.

The previous prime is 133814683. The next prime is 133814717. The reversal of 133814689 is 986418331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132434064 + 1380625 = 11508^2 + 1175^2 .

It is a cyclic number.

It is not a de Polignac number, because 133814689 - 2⁷ = 133814561 is a prime.

It is not a weakly prime, because it can be changed into another prime (133814683) 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, 66907344 + 66907345.

It is an arithmetic number, because the mean of its divisors is an integer number (66907345).

Almost surely, 2^133814689 is an apocalyptic number.

It is an amenable number.

133814689 is a deficient number, since it is larger than the sum of its proper divisors (1).

133814689 is an equidigital number, since it uses as much as digits as its factorization.

133814689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 43.

The square root of 133814689 is about 11567.8299174910. The cubic root of 133814689 is about 511.4869955704.

The spelling of 133814689 in words is "one hundred thirty-three million, eight hundred fourteen thousand, six hundred eighty-nine".