9706139 has 2 divisors, whose sum is σ = 9706140. Its totient is φ = 9706138.

The previous prime is 9706127. The next prime is 9706141. The reversal of 9706139 is 9316079.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9706139 - 2²⁰ = 8657563 is a prime.

Together with 9706141, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 9706099 and 9706108.

It is not a weakly prime, because it can be changed into another prime (9706159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4853069 + 4853070.

It is an arithmetic number, because the mean of its divisors is an integer number (4853070).

Almost surely, 2^9706139 is an apocalyptic number.

9706139 is a deficient number, since it is larger than the sum of its proper divisors (1).

9706139 is an equidigital number, since it uses as much as digits as its factorization.

9706139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 9706139 is about 3115.4677016461. The cubic root of 9706139 is about 213.3121053639.

The spelling of 9706139 in words is "nine million, seven hundred six thousand, one hundred thirty-nine".