130440112009 has 2 divisors, whose sum is σ = 130440112010. Its totient is φ = 130440112008.

The previous prime is 130440112001. The next prime is 130440112069. The reversal of 130440112009 is 900211044031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124076540025 + 6363571984 = 352245^2 + 79772^2 .

It is a cyclic number.

It is not a de Polignac number, because 130440112009 - 2³ = 130440112001 is a prime.

It is not a weakly prime, because it can be changed into another prime (130440112001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65220056004 + 65220056005.

It is an arithmetic number, because the mean of its divisors is an integer number (65220056005).

Almost surely, 2^130440112009 is an apocalyptic number.

It is an amenable number.

130440112009 is a deficient number, since it is larger than the sum of its proper divisors (1).

130440112009 is an equidigital number, since it uses as much as digits as its factorization.

130440112009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 130440112009 in words is "one hundred thirty billion, four hundred forty million, one hundred twelve thousand, nine".