129406714 has 8 divisors (see below), whose sum is σ = 194183028. Its totient is φ = 64679040.

The previous prime is 129406709. The next prime is 129406721. The reversal of 129406714 is 417604921.

It can be written as a sum of positive squares in 2 ways, for example, as 129208689 + 198025 = 11367^2 + 445^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 129406714.

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, 4557 + ... + 16720.

Almost surely, 2^129406714 is an apocalyptic number.

129406714 is a deficient number, since it is larger than the sum of its proper divisors (64776314).

129406714 is a wasteful number, since it uses less digits than its factorization.

129406714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24320.

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

The square root of 129406714 is about 11375.7071868082. The cubic root of 129406714 is about 505.8078941839.

The spelling of 129406714 in words is "one hundred twenty-nine million, four hundred six thousand, seven hundred fourteen".