129914008260868 has 144 divisors (see below), whose sum is σ = 255245817738240. Its totient is φ = 57770394739200.

The previous prime is 129914008260821. The next prime is 129914008260919. The reversal of 129914008260868 is 868062800419921.

It is a super-2 number, since 2×129914008260868² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9058915378 + ... + 9058929718.

It is an arithmetic number, because the mean of its divisors is an integer number (1772540400960).

Almost surely, 2^{129914008260868} is an apocalyptic number.

It is an amenable number.

129914008260868 is a deficient number, since it is larger than the sum of its proper divisors (125331809477372).

129914008260868 is a wasteful number, since it uses less digits than its factorization.

129914008260868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16278 (or 16263 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 64.

The spelling of 129914008260868 in words is "one hundred twenty-nine trillion, nine hundred fourteen billion, eight million, two hundred sixty thousand, eight hundred sixty-eight".