129368914 has 8 divisors (see below), whose sum is σ = 194827248. Its totient is φ = 64426500.

The previous prime is 129368903. The next prime is 129368959. The reversal of 129368914 is 419863921.

It is a happy number.

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

It is an unprimeable number.

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, 128352 + ... + 129355.

It is an arithmetic number, because the mean of its divisors is an integer number (24353406).

Almost surely, 2^129368914 is an apocalyptic number.

129368914 is a deficient number, since it is larger than the sum of its proper divisors (65458334).

129368914 is a wasteful number, since it uses less digits than its factorization.

129368914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257960.

The product of its digits is 93312, while the sum is 43.

The square root of 129368914 is about 11374.0456302936. The cubic root of 129368914 is about 505.7586401699.

It can be divided in two parts, 1293 and 68914, that added together give a palindrome (70207).

The spelling of 129368914 in words is "one hundred twenty-nine million, three hundred sixty-eight thousand, nine hundred fourteen".