129283702 has 8 divisors (see below), whose sum is σ = 200181312. Its totient is φ = 62556600.

The previous prime is 129283681. The next prime is 129283703. The reversal of 129283702 is 207382921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129283703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1042549 + ... + 1042672.

It is an arithmetic number, because the mean of its divisors is an integer number (25022664).

Almost surely, 2^129283702 is an apocalyptic number.

129283702 is a deficient number, since it is larger than the sum of its proper divisors (70897610).

129283702 is a wasteful number, since it uses less digits than its factorization.

129283702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085254.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 129283702 is about 11370.2991165580. The cubic root of 129283702 is about 505.6475723469.

The spelling of 129283702 in words is "one hundred twenty-nine million, two hundred eighty-three thousand, seven hundred two".