129950163 has 20 divisors (see below), whose sum is σ = 221855920. Its totient is φ = 74256912.

The previous prime is 129950153. The next prime is 129950173. The reversal of 129950163 is 361059921.

129950163 is a `hidden beast` number, since 1 + 2 + 99 + 501 + 63 = 666.

It is an interprime number because it is at equal distance from previous prime (129950153) and next prime (129950173).

It is not a de Polignac number, because 129950163 - 2⁶ = 129950099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129950153) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 114028 + ... + 115161.

It is an arithmetic number, because the mean of its divisors is an integer number (11092796).

Almost surely, 2^129950163 is an apocalyptic number.

129950163 is a deficient number, since it is larger than the sum of its proper divisors (91905757).

129950163 is an equidigital number, since it uses as much as digits as its factorization.

129950163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229208 (or 229199 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 129950163 is about 11399.5685444669. The cubic root of 129950163 is about 506.5149592448.

The spelling of 129950163 in words is "one hundred twenty-nine million, nine hundred fifty thousand, one hundred sixty-three".