130384993 has 2 divisors, whose sum is σ = 130384994. Its totient is φ = 130384992.

The previous prime is 130384981. The next prime is 130385009. The reversal of 130384993 is 399483031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128663649 + 1721344 = 11343^2 + 1312^2 .

It is an emirp because it is prime and its reverse (399483031) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130384993 is a prime.

It is a super-2 number, since 2×130384993² = 34000492799220098, which contains 22 as substring.

It is equal to p_7398715 and since 130384993 and 7398715 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (130384913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65192496 + 65192497.

It is an arithmetic number, because the mean of its divisors is an integer number (65192497).

Almost surely, 2^130384993 is an apocalyptic number.

It is an amenable number.

130384993 is a deficient number, since it is larger than the sum of its proper divisors (1).

130384993 is an equidigital number, since it uses as much as digits as its factorization.

130384993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 130384993 is about 11418.6248296369. The cubic root of 130384993 is about 507.0792850628.

The spelling of 130384993 in words is "one hundred thirty million, three hundred eighty-four thousand, nine hundred ninety-three".