130747817 has 2 divisors, whose sum is σ = 130747818. Its totient is φ = 130747816.

The previous prime is 130747777. The next prime is 130747819. The reversal of 130747817 is 718747031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80209936 + 50537881 = 8956^2 + 7109^2 .

It is an emirp because it is prime and its reverse (718747031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130747817 - 2¹⁰ = 130746793 is a prime.

Together with 130747819, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130747819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65373908 + 65373909.

It is an arithmetic number, because the mean of its divisors is an integer number (65373909).

Almost surely, 2^130747817 is an apocalyptic number.

It is an amenable number.

130747817 is a deficient number, since it is larger than the sum of its proper divisors (1).

130747817 is an equidigital number, since it uses as much as digits as its factorization.

130747817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32928, while the sum is 38.

The square root of 130747817 is about 11434.5011697057. The cubic root of 130747817 is about 507.5492014712.

The spelling of 130747817 in words is "one hundred thirty million, seven hundred forty-seven thousand, eight hundred seventeen".