130776973 has 2 divisors, whose sum is σ = 130776974. Its totient is φ = 130776972.

The previous prime is 130776967. The next prime is 130776977. The reversal of 130776973 is 379677031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98366724 + 32410249 = 9918^2 + 5693^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130776973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130776977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65388486 + 65388487.

It is an arithmetic number, because the mean of its divisors is an integer number (65388487).

Almost surely, 2^130776973 is an apocalyptic number.

It is an amenable number.

130776973 is a deficient number, since it is larger than the sum of its proper divisors (1).

130776973 is an equidigital number, since it uses as much as digits as its factorization.

130776973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 166698, while the sum is 43.

The square root of 130776973 is about 11435.7760121471. The cubic root of 130776973 is about 507.5869255037.

The spelling of 130776973 in words is "one hundred thirty million, seven hundred seventy-six thousand, nine hundred seventy-three".