129842702 has 16 divisors (see below), whose sum is σ = 224968752. Its totient is φ = 55547520.

The previous prime is 129842693. The next prime is 129842707. The reversal of 129842702 is 207248921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129842707) 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 7 ways as a sum of consecutive naturals, for example, 173213 + ... + 173960.

It is an arithmetic number, because the mean of its divisors is an integer number (14060547).

Almost surely, 2^129842702 is an apocalyptic number.

129842702 is a deficient number, since it is larger than the sum of its proper divisors (95126050).

129842702 is a wasteful number, since it uses less digits than its factorization.

129842702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347203.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 129842702 is about 11394.8541895015. The cubic root of 129842702 is about 506.3753015656.

The spelling of 129842702 in words is "one hundred twenty-nine million, eight hundred forty-two thousand, seven hundred two".