129338219 has 8 divisors (see below), whose sum is σ = 132522048. Its totient is φ = 126172480.

The previous prime is 129338129. The next prime is 129338243. The reversal of 129338219 is 912833921.

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 129338219 - 2¹⁶ = 129272683 is a prime.

It is a super-2 number, since 2×129338219² = 33456749788183922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129338119) 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, 10559 + ... + 19239.

It is an arithmetic number, because the mean of its divisors is an integer number (16565256).

Almost surely, 2^129338219 is an apocalyptic number.

129338219 is a deficient number, since it is larger than the sum of its proper divisors (3183829).

129338219 is an equidigital number, since it uses as much as digits as its factorization.

129338219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9045.

The product of its digits is 23328, while the sum is 38.

The square root of 129338219 is about 11372.6962062652. The cubic root of 129338219 is about 505.7186370271.

The spelling of 129338219 in words is "one hundred twenty-nine million, three hundred thirty-eight thousand, two hundred nineteen".