130204849 has 2 divisors, whose sum is σ = 130204850. Its totient is φ = 130204848.

The previous prime is 130204843. The next prime is 130204861. The reversal of 130204849 is 948402031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78004224 + 52200625 = 8832^2 + 7225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130204849 is a prime.

It is a super-2 number, since 2×130204849² = 33906605406225602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130204849.

It is not a weakly prime, because it can be changed into another prime (130204843) 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, 65102424 + 65102425.

It is an arithmetic number, because the mean of its divisors is an integer number (65102425).

Almost surely, 2^130204849 is an apocalyptic number.

It is an amenable number.

130204849 is a deficient number, since it is larger than the sum of its proper divisors (1).

130204849 is an equidigital number, since it uses as much as digits as its factorization.

130204849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 130204849 is about 11410.7339378324. The cubic root of 130204849 is about 506.8456452080.

The spelling of 130204849 in words is "one hundred thirty million, two hundred four thousand, eight hundred forty-nine".