86130019 has 2 divisors, whose sum is σ = 86130020. Its totient is φ = 86130018.

The previous prime is 86130001. The next prime is 86130049. The reversal of 86130019 is 91003168.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86130019 - 2⁷ = 86129891 is a prime.

It is a super-2 number, since 2×86130019² = 14836760345880722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86130049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43065009 + 43065010.

It is an arithmetic number, because the mean of its divisors is an integer number (43065010).

Almost surely, 2^86130019 is an apocalyptic number.

86130019 is a deficient number, since it is larger than the sum of its proper divisors (1).

86130019 is an equidigital number, since it uses as much as digits as its factorization.

86130019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 86130019 is about 9280.6260025927. The cubic root of 86130019 is about 441.6228278469.

The spelling of 86130019 in words is "eighty-six million, one hundred thirty thousand, nineteen".