129330706 has 16 divisors (see below), whose sum is σ = 199891800. Its totient is φ = 62727808.

The previous prime is 129330673. The next prime is 129330709. The reversal of 129330706 is 607033921.

It can be written as a sum of positive squares in 4 ways, for example, as 121992025 + 7338681 = 11045^2 + 2709^2 .

It is not an unprimeable number, because it can be changed into a prime (129330709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2580 + ... + 16288.

Almost surely, 2^129330706 is an apocalyptic number.

129330706 is a deficient number, since it is larger than the sum of its proper divisors (70561094).

129330706 is a wasteful number, since it uses less digits than its factorization.

129330706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13853.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 129330706 is about 11372.3658928123. The cubic root of 129330706 is about 505.7088447741.

The spelling of 129330706 in words is "one hundred twenty-nine million, three hundred thirty thousand, seven hundred six".