133229983 has 2 divisors, whose sum is σ = 133229984. Its totient is φ = 133229982.

The previous prime is 133229947. The next prime is 133230011. The reversal of 133229983 is 389922331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133229983 - 2²¹ = 131132831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133229923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66614991 + 66614992.

It is an arithmetic number, because the mean of its divisors is an integer number (66614992).

Almost surely, 2^133229983 is an apocalyptic number.

133229983 is a deficient number, since it is larger than the sum of its proper divisors (1).

133229983 is an equidigital number, since it uses as much as digits as its factorization.

133229983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 40.

The square root of 133229983 is about 11542.5293155357. The cubic root of 133229983 is about 510.7409235840.

The spelling of 133229983 in words is "one hundred thirty-three million, two hundred twenty-nine thousand, nine hundred eighty-three".