129916183 has 2 divisors, whose sum is σ = 129916184. Its totient is φ = 129916182.

The previous prime is 129916169. The next prime is 129916279. The reversal of 129916183 is 381619921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 129916183 - 2⁵ = 129916151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129916103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64958091 + 64958092.

It is an arithmetic number, because the mean of its divisors is an integer number (64958092).

Almost surely, 2^129916183 is an apocalyptic number.

129916183 is a deficient number, since it is larger than the sum of its proper divisors (1).

129916183 is an equidigital number, since it uses as much as digits as its factorization.

129916183 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 40.

The square root of 129916183 is about 11398.0780397399. The cubic root of 129916183 is about 506.4708067320.

The spelling of 129916183 in words is "one hundred twenty-nine million, nine hundred sixteen thousand, one hundred eighty-three".