130783909 has 2 divisors, whose sum is σ = 130783910. Its totient is φ = 130783908.

The previous prime is 130783889. The next prime is 130783927. The reversal of 130783909 is 909387031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87946884 + 42837025 = 9378^2 + 6545^2 .

It is a cyclic number.

It is not a de Polignac number, because 130783909 - 2⁷ = 130783781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130783949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65391954 + 65391955.

It is an arithmetic number, because the mean of its divisors is an integer number (65391955).

Almost surely, 2^130783909 is an apocalyptic number.

It is an amenable number.

130783909 is a deficient number, since it is larger than the sum of its proper divisors (1).

130783909 is an equidigital number, since it uses as much as digits as its factorization.

130783909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 130783909 is about 11436.0792669516. The cubic root of 130783909 is about 507.5958989506.

The spelling of 130783909 in words is "one hundred thirty million, seven hundred eighty-three thousand, nine hundred nine".