130780019 has 2 divisors, whose sum is σ = 130780020. Its totient is φ = 130780018.

The previous prime is 130780009. The next prime is 130780033. The reversal of 130780019 is 910087031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130780019 - 2⁴ = 130780003 is a prime.

It is a super-2 number, since 2×130780019² = 34206826739280722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 130779973 and 130780000.

It is not a weakly prime, because it can be changed into another prime (130780009) 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, 65390009 + 65390010.

It is an arithmetic number, because the mean of its divisors is an integer number (65390010).

Almost surely, 2^130780019 is an apocalyptic number.

130780019 is a deficient number, since it is larger than the sum of its proper divisors (1).

130780019 is an equidigital number, since it uses as much as digits as its factorization.

130780019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 130780019 is about 11435.9091899158. The cubic root of 130780019 is about 507.5908663039.

The spelling of 130780019 in words is "one hundred thirty million, seven hundred eighty thousand, nineteen".