129714386 has 16 divisors (see below), whose sum is σ = 206345880. Its totient is φ = 60944640.

The previous prime is 129714379. The next prime is 129714397. The reversal of 129714386 is 683417921.

It can be written as a sum of positive squares in 4 ways, for example, as 95433361 + 34281025 = 9769^2 + 5855^2 .

It is a super-3 number, since 3×129714386³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21416 + ... + 26796.

Almost surely, 2^129714386 is an apocalyptic number.

129714386 is a deficient number, since it is larger than the sum of its proper divisors (76631494).

129714386 is a wasteful number, since it uses less digits than its factorization.

129714386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6109.

The product of its digits is 72576, while the sum is 41.

The square root of 129714386 is about 11389.2223615135. Note that the first 3 decimals coincide. The cubic root of 129714386 is about 506.2084394882.

The spelling of 129714386 in words is "one hundred twenty-nine million, seven hundred fourteen thousand, three hundred eighty-six".