130240039 has 2 divisors, whose sum is σ = 130240040. Its totient is φ = 130240038.

The previous prime is 130239983. The next prime is 130240051. The reversal of 130240039 is 930042031.

It is a strong prime.

It is an emirp because it is prime and its reverse (930042031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130240039 - 2⁷ = 130239911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130240739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65120019 + 65120020.

It is an arithmetic number, because the mean of its divisors is an integer number (65120020).

Almost surely, 2^130240039 is an apocalyptic number.

130240039 is a deficient number, since it is larger than the sum of its proper divisors (1).

130240039 is an equidigital number, since it uses as much as digits as its factorization.

130240039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 130240039 is about 11412.2758028362. The cubic root of 130240039 is about 506.8913022165.

The spelling of 130240039 in words is "one hundred thirty million, two hundred forty thousand, thirty-nine".