129319206 has 32 divisors (see below), whose sum is σ = 274243200. Its totient is φ = 40538880.

The previous prime is 129319193. The next prime is 129319213. The reversal of 129319206 is 602913921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11766 + ... + 19926.

It is an arithmetic number, because the mean of its divisors is an integer number (8570100).

Almost surely, 2^129319206 is an apocalyptic number.

129319206 is an abundant number, since it is smaller than the sum of its proper divisors (144923994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129319206 is a wasteful number, since it uses less digits than its factorization.

129319206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8324.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 129319206 is about 11371.8602699822. The cubic root of 129319206 is about 505.6938552322.

The spelling of 129319206 in words is "one hundred twenty-nine million, three hundred nineteen thousand, two hundred six".