129610938 has 16 divisors (see below), whose sum is σ = 267584256. Its totient is φ = 41809920.

The previous prime is 129610937. The next prime is 129610939. The reversal of 129610938 is 839016921.

It is an interprime number because it is at equal distance from previous prime (129610937) and next prime (129610939).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 129610896 and 129610905.

It is not an unprimeable number, because it can be changed into a prime (129610931) 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 7 ways as a sum of consecutive naturals, for example, 348231 + ... + 348602.

It is an arithmetic number, because the mean of its divisors is an integer number (16724016).

Almost surely, 2^129610938 is an apocalyptic number.

129610938 is an abundant number, since it is smaller than the sum of its proper divisors (137973318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129610938 is a wasteful number, since it uses less digits than its factorization.

129610938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696869.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 129610938 is about 11384.6799691515. The cubic root of 129610938 is about 506.0738356116.

The spelling of 129610938 in words is "one hundred twenty-nine million, six hundred ten thousand, nine hundred thirty-eight".