9430139 has 2 divisors, whose sum is σ = 9430140. Its totient is φ = 9430138.

The previous prime is 9430129. The next prime is 9430163. The reversal of 9430139 is 9310349.

It is a weak prime.

It is an emirp because it is prime and its reverse (9310349) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9430139 is a prime.

It is not a weakly prime, because it can be changed into another prime (9430129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4715069 + 4715070.

It is an arithmetic number, because the mean of its divisors is an integer number (4715070).

Almost surely, 2^9430139 is an apocalyptic number.

9430139 is a deficient number, since it is larger than the sum of its proper divisors (1).

9430139 is an equidigital number, since it uses as much as digits as its factorization.

9430139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 9430139 is about 3070.8531387873. The cubic root of 9430139 is about 211.2707454855.

The spelling of 9430139 in words is "nine million, four hundred thirty thousand, one hundred thirty-nine".