129914 has 8 divisors (see below), whose sum is σ = 206388. Its totient is φ = 61120.

The previous prime is 129901. The next prime is 129917. The reversal of 129914 is 419921.

It can be written as a sum of positive squares in 2 ways, for example, as 112225 + 17689 = 335^2 + 133^2 .

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

It is a Curzon number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1877 + ... + 1944.

2¹²⁹⁹¹⁴ is an apocalyptic number.

129914 is a deficient number, since it is larger than the sum of its proper divisors (76474).

129914 is a wasteful number, since it uses less digits than its factorization.

129914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3840.

The product of its digits is 648, while the sum is 26.

The square root of 129914 is about 360.4358472738. The cubic root of 129914 is about 50.6467969949.

The spelling of 129914 in words is "one hundred twenty-nine thousand, nine hundred fourteen".