129608343 has 20 divisors (see below), whose sum is σ = 193949448. Its totient is φ = 86255280.

The previous prime is 129608293. The next prime is 129608377. The reversal of 129608343 is 343806921.

129608343 is a `hidden beast` number, since 1 + 2 + 9 + 608 + 3 + 43 = 666.

It is not a de Polignac number, because 129608343 - 2⁹ = 129607831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 129608298 and 129608307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129608383) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 64705 + ... + 66677.

Almost surely, 2^129608343 is an apocalyptic number.

129608343 is a deficient number, since it is larger than the sum of its proper divisors (64341105).

129608343 is an equidigital number, since it uses as much as digits as its factorization.

129608343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2796 (or 2787 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 129608343 is about 11384.5659996330. The cubic root of 129608343 is about 506.0704581436.

The spelling of 129608343 in words is "one hundred twenty-nine million, six hundred eight thousand, three hundred forty-three".