129246914 has 16 divisors (see below), whose sum is σ = 196282008. Its totient is φ = 63823872.

The previous prime is 129246907. The next prime is 129246919. The reversal of 129246914 is 419642921.

It can be written as a sum of positive squares in 4 ways, for example, as 94731289 + 34515625 = 9733^2 + 5875^2 .

It is not an unprimeable number, because it can be changed into a prime (129246919) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 75314 + ... + 77010.

Almost surely, 2^129246914 is an apocalyptic number.

129246914 is a deficient number, since it is larger than the sum of its proper divisors (67035094).

129246914 is a wasteful number, since it uses less digits than its factorization.

129246914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149.

The product of its digits is 31104, while the sum is 38.

The square root of 129246914 is about 11368.6812779671. The cubic root of 129246914 is about 505.5996067042.

The spelling of 129246914 in words is "one hundred twenty-nine million, two hundred forty-six thousand, nine hundred fourteen".