129690106 has 32 divisors (see below), whose sum is σ = 245911680. Its totient is φ = 49916736.

The previous prime is 129690049. The next prime is 129690109. The reversal of 129690106 is 601096921.

It is not an unprimeable number, because it can be changed into a prime (129690109) 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 in 15 ways as a sum of consecutive naturals, for example, 2896 + ... + 16363.

It is an arithmetic number, because the mean of its divisors is an integer number (7684740).

Almost surely, 2^129690106 is an apocalyptic number.

129690106 is a deficient number, since it is larger than the sum of its proper divisors (116221574).

129690106 is a wasteful number, since it uses less digits than its factorization.

129690106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19318.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 129690106 is about 11388.1563916202. The cubic root of 129690106 is about 506.1768534058.

The spelling of 129690106 in words is "one hundred twenty-nine million, six hundred ninety thousand, one hundred six".