130866863 has 2 divisors, whose sum is σ = 130866864. Its totient is φ = 130866862.

The previous prime is 130866839. The next prime is 130866893. The reversal of 130866863 is 368668031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130866863 - 2⁸ = 130866607 is a prime.

It is a super-2 number, since 2×130866863² = 34252271662921538, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130866863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130866823) 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, 65433431 + 65433432.

It is an arithmetic number, because the mean of its divisors is an integer number (65433432).

Almost surely, 2^130866863 is an apocalyptic number.

130866863 is a deficient number, since it is larger than the sum of its proper divisors (1).

130866863 is an equidigital number, since it uses as much as digits as its factorization.

130866863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 130866863 is about 11439.7055469099. The cubic root of 130866863 is about 507.7031960716.

The spelling of 130866863 in words is "one hundred thirty million, eight hundred sixty-six thousand, eight hundred sixty-three".