129316415771 has 4 divisors (see below), whose sum is σ = 129323066544. Its totient is φ = 129309765000.

The previous prime is 129316415749. The next prime is 129316415777. The reversal of 129316415771 is 177514613921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129316415771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129316415777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3296135 + ... + 3335136.

It is an arithmetic number, because the mean of its divisors is an integer number (32330766636).

Almost surely, 2^129316415771 is an apocalyptic number.

129316415771 is a deficient number, since it is larger than the sum of its proper divisors (6650773).

129316415771 is an equidigital number, since it uses as much as digits as its factorization.

129316415771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6650772.

The product of its digits is 317520, while the sum is 47.

The spelling of 129316415771 in words is "one hundred twenty-nine billion, three hundred sixteen million, four hundred fifteen thousand, seven hundred seventy-one".