133219999 has 8 divisors (see below), whose sum is σ = 145798992. Its totient is φ = 120719040.

The previous prime is 133219993. The next prime is 133220011. The reversal of 133219999 is 999912331.

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

It is a cyclic number.

It is not a de Polignac number, because 133219999 - 2⁹ = 133219487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133219993) 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, 15904 + ... + 22789.

It is an arithmetic number, because the mean of its divisors is an integer number (18224874).

Almost surely, 2^133219999 is an apocalyptic number.

133219999 is a deficient number, since it is larger than the sum of its proper divisors (12578993).

133219999 is a wasteful number, since it uses less digits than its factorization.

133219999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39017.

The product of its digits is 118098, while the sum is 46.

The square root of 133219999 is about 11542.0968199024. The cubic root of 133219999 is about 510.7281652828.

The spelling of 133219999 in words is "one hundred thirty-three million, two hundred nineteen thousand, nine hundred ninety-nine".