130240739 has 2 divisors, whose sum is σ = 130240740. Its totient is φ = 130240738.

The previous prime is 130240717. The next prime is 130240741. The reversal of 130240739 is 937042031.

It is a strong prime.

It is an emirp because it is prime and its reverse (937042031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130240739 - 2¹⁶ = 130175203 is a prime.

It is a super-2 number, since 2×130240739² = 33925300190532242, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 130240741, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130240039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65120369 + 65120370.

It is an arithmetic number, because the mean of its divisors is an integer number (65120370).

Almost surely, 2^130240739 is an apocalyptic number.

130240739 is a deficient number, since it is larger than the sum of its proper divisors (1).

130240739 is an equidigital number, since it uses as much as digits as its factorization.

130240739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 130240739 is about 11412.3064715245. The cubic root of 130240739 is about 506.8922103430.

The spelling of 130240739 in words is "one hundred thirty million, two hundred forty thousand, seven hundred thirty-nine".