129046670 has 24 divisors (see below), whose sum is σ = 245159784. Its totient is φ = 48900528.

The previous prime is 129046661. The next prime is 129046691. The reversal of 129046670 is 76640921.

It is a self number, because there is not a number n which added to its sum of digits gives 129046670.

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 11 ways as a sum of consecutive naturals, for example, 14264 + ... + 21483.

It is an arithmetic number, because the mean of its divisors is an integer number (10214991).

Almost surely, 2^129046670 is an apocalyptic number.

129046670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129046670 is a deficient number, since it is larger than the sum of its proper divisors (116113114).

129046670 is a wasteful number, since it uses less digits than its factorization.

129046670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35792 (or 35773 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 129046670 is about 11359.8710380004. The cubic root of 129046670 is about 505.3383609603.

The spelling of 129046670 in words is "one hundred twenty-nine million, forty-six thousand, six hundred seventy".