130783949 has 2 divisors, whose sum is σ = 130783950. Its totient is φ = 130783948.

The previous prime is 130783931. The next prime is 130783963. The reversal of 130783949 is 949387031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81180100 + 49603849 = 9010^2 + 7043^2 .

It is a cyclic number.

It is not a de Polignac number, because 130783949 - 2⁸ = 130783693 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130783909) 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, 65391974 + 65391975.

It is an arithmetic number, because the mean of its divisors is an integer number (65391975).

Almost surely, 2^130783949 is an apocalyptic number.

It is an amenable number.

130783949 is a deficient number, since it is larger than the sum of its proper divisors (1).

130783949 is an equidigital number, since it uses as much as digits as its factorization.

130783949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 130783949 is about 11436.0810158026. The cubic root of 130783949 is about 507.5959506997.

The spelling of 130783949 in words is "one hundred thirty million, seven hundred eighty-three thousand, nine hundred forty-nine".