129717714 has 16 divisors (see below), whose sum is σ = 296497728. Its totient is φ = 37062192.

The previous prime is 129717691. The next prime is 129717743. The reversal of 129717714 is 417717921.

It is an unprimeable number.

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, 1544217 + ... + 1544300.

It is an arithmetic number, because the mean of its divisors is an integer number (18531108).

Almost surely, 2^129717714 is an apocalyptic number.

129717714 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

129717714 is an abundant number, since it is smaller than the sum of its proper divisors (166780014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129717714 is a wasteful number, since it uses less digits than its factorization.

129717714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3088529.

The product of its digits is 24696, while the sum is 39.

The square root of 129717714 is about 11389.3684636155. The cubic root of 129717714 is about 506.2127686078.

The spelling of 129717714 in words is "one hundred twenty-nine million, seven hundred seventeen thousand, seven hundred fourteen".