129143708 has 6 divisors (see below), whose sum is σ = 226001496. Its totient is φ = 64571852.

The previous prime is 129143687. The next prime is 129143711. The reversal of 129143708 is 807341921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16142960 + ... + 16142967.

It is an arithmetic number, because the mean of its divisors is an integer number (37666916).

Almost surely, 2^129143708 is an apocalyptic number.

It is an amenable number.

129143708 is a deficient number, since it is larger than the sum of its proper divisors (96857788).

129143708 is a wasteful number, since it uses less digits than its factorization.

129143708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32285931 (or 32285929 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 129143708 is about 11364.1413225989. The cubic root of 129143708 is about 505.4649940554.

The spelling of 129143708 in words is "one hundred twenty-nine million, one hundred forty-three thousand, seven hundred eight".