130780193 has 2 divisors, whose sum is σ = 130780194. Its totient is φ = 130780192.

The previous prime is 130780189. The next prime is 130780217. The reversal of 130780193 is 391087031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124389409 + 6390784 = 11153^2 + 2528^2 .

It is an emirp because it is prime and its reverse (391087031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130780193 - 2² = 130780189 is a prime.

It is a super-2 number, since 2×130780193² = 34206917762234498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (130720193) 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, 65390096 + 65390097.

It is an arithmetic number, because the mean of its divisors is an integer number (65390097).

Almost surely, 2^130780193 is an apocalyptic number.

It is an amenable number.

130780193 is a deficient number, since it is larger than the sum of its proper divisors (1).

130780193 is an equidigital number, since it uses as much as digits as its factorization.

130780193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 130780193 is about 11435.9167975287. The cubic root of 130780193 is about 507.5910914167.

The spelling of 130780193 in words is "one hundred thirty million, seven hundred eighty thousand, one hundred ninety-three".