129016937 has 8 divisors (see below), whose sum is σ = 147529536. Its totient is φ = 110524752.

The previous prime is 129016933. The next prime is 129016939. The reversal of 129016937 is 739610921.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 129016937 - 2² = 129016933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 129016937.

It is not an unprimeable number, because it can be changed into a prime (129016931) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12503 + ... + 20355.

It is an arithmetic number, because the mean of its divisors is an integer number (18441192).

Almost surely, 2^129016937 is an apocalyptic number.

It is an amenable number.

129016937 is a deficient number, since it is larger than the sum of its proper divisors (18512599).

129016937 is an equidigital number, since it uses as much as digits as its factorization.

129016937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10207.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 129016937 is about 11358.5622769785. The cubic root of 129016937 is about 505.2995471483.

The spelling of 129016937 in words is "one hundred twenty-nine million, sixteen thousand, nine hundred thirty-seven".