130440041 has 2 divisors, whose sum is σ = 130440042. Its totient is φ = 130440040.

The previous prime is 130439987. The next prime is 130440067. The reversal of 130440041 is 140044031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66504025 + 63936016 = 8155^2 + 7996^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130440041 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (130440341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65220020 + 65220021.

It is an arithmetic number, because the mean of its divisors is an integer number (65220021).

Almost surely, 2^130440041 is an apocalyptic number.

It is an amenable number.

130440041 is a deficient number, since it is larger than the sum of its proper divisors (1).

130440041 is an equidigital number, since it uses as much as digits as its factorization.

130440041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 130440041 is about 11421.0350231492. The cubic root of 130440041 is about 507.1506372750.

Adding to 130440041 its reverse (140044031), we get a palindrome (270484072).

The spelling of 130440041 in words is "one hundred thirty million, four hundred forty thousand, forty-one".