130686841 has 2 divisors, whose sum is σ = 130686842. Its totient is φ = 130686840.

The previous prime is 130686833. The next prime is 130686869. The reversal of 130686841 is 148686031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108076816 + 22610025 = 10396^2 + 4755^2 .

It is a cyclic number.

It is not a de Polignac number, because 130686841 - 2³ = 130686833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130686841.

It is not a weakly prime, because it can be changed into another prime (130686811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65343420 + 65343421.

It is an arithmetic number, because the mean of its divisors is an integer number (65343421).

Almost surely, 2^130686841 is an apocalyptic number.

It is an amenable number.

130686841 is a deficient number, since it is larger than the sum of its proper divisors (1).

130686841 is an equidigital number, since it uses as much as digits as its factorization.

130686841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 130686841 is about 11431.8345421896. The cubic root of 130686841 is about 507.4702884075.

The spelling of 130686841 in words is "one hundred thirty million, six hundred eighty-six thousand, eight hundred forty-one".