129734708 has 12 divisors (see below), whose sum is σ = 227183460. Its totient is φ = 64825152.

The previous prime is 129734699. The next prime is 129734767. The reversal of 129734708 is 807437921.

It can be written as a sum of positive squares in 2 ways, for example, as 36264484 + 93470224 = 6022^2 + 9668^2 .

It is a congruent number.

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, 3041 + ... + 16392.

It is an arithmetic number, because the mean of its divisors is an integer number (18931955).

Almost surely, 2^129734708 is an apocalyptic number.

It is an amenable number.

129734708 is a deficient number, since it is larger than the sum of its proper divisors (97448752).

129734708 is a wasteful number, since it uses less digits than its factorization.

129734708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21106 (or 21104 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 129734708 is about 11390.1144858162. The cubic root of 129734708 is about 506.2348735408.

The spelling of 129734708 in words is "one hundred twenty-nine million, seven hundred thirty-four thousand, seven hundred eight".