130921217297737 has 2 divisors, whose sum is σ = 130921217297738. Its totient is φ = 130921217297736.

The previous prime is 130921217297719. The next prime is 130921217297833. The reversal of 130921217297737 is 737792712129031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114640791217936 + 16280426079801 = 10707044^2 + 4034901^2 .

It is a cyclic number.

It is not a de Polignac number, because 130921217297737 - 2⁷ = 130921217297609 is a prime.

It is not a weakly prime, because it can be changed into another prime (130921217297707) 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 as a sum of consecutive naturals, namely, 65460608648868 + 65460608648869.

It is an arithmetic number, because the mean of its divisors is an integer number (65460608648869).

Almost surely, 2^{130921217297737} is an apocalyptic number.

It is an amenable number.

130921217297737 is a deficient number, since it is larger than the sum of its proper divisors (1).

130921217297737 is an equidigital number, since it uses as much as digits as its factorization.

130921217297737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14002632, while the sum is 61.

The spelling of 130921217297737 in words is "one hundred thirty trillion, nine hundred twenty-one billion, two hundred seventeen million, two hundred ninety-seven thousand, seven hundred thirty-seven".