129946820756908 has 12 divisors (see below), whose sum is σ = 227409621357240. Its totient is φ = 64972643226272.

The previous prime is 129946820756891. The next prime is 129946820756983. The reversal of 129946820756908 is 809657028649921.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191406838 + ... + 192084541.

It is an arithmetic number, because the mean of its divisors is an integer number (18950801779770).

Almost surely, 2^{129946820756908} is an apocalyptic number.

It is an amenable number.

129946820756908 is a deficient number, since it is larger than the sum of its proper divisors (97462800600332).

129946820756908 is a wasteful number, since it uses less digits than its factorization.

129946820756908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383576096 (or 383576094 counting only the distinct ones).

The product of its (nonzero) digits is 940584960, while the sum is 76.

The spelling of 129946820756908 in words is "one hundred twenty-nine trillion, nine hundred forty-six billion, eight hundred twenty million, seven hundred fifty-six thousand, nine hundred eight".