7130239 has 2 divisors, whose sum is σ = 7130240. Its totient is φ = 7130238.

The previous prime is 7130237. The next prime is 7130243. The reversal of 7130239 is 9320317.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7130239 - 2¹ = 7130237 is a prime.

Together with 7130237, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7130231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3565119 + 3565120.

It is an arithmetic number, because the mean of its divisors is an integer number (3565120).

Almost surely, 2^7130239 is an apocalyptic number.

7130239 is a deficient number, since it is larger than the sum of its proper divisors (1).

7130239 is an equidigital number, since it uses as much as digits as its factorization.

7130239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 7130239 is about 2670.2507372904. The cubic root of 7130239 is about 192.4722082777.

The spelling of 7130239 in words is "seven million, one hundred thirty thousand, two hundred thirty-nine".