9996139 has 2 divisors, whose sum is σ = 9996140. Its totient is φ = 9996138.

The previous prime is 9996137. The next prime is 9996149. The reversal of 9996139 is 9316999.

9996139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9996139 - 2¹ = 9996137 is a prime.

Together with 9996137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (9996137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4998069 + 4998070.

It is an arithmetic number, because the mean of its divisors is an integer number (4998070).

Almost surely, 2^9996139 is an apocalyptic number.

9996139 is a deficient number, since it is larger than the sum of its proper divisors (1).

9996139 is an equidigital number, since it uses as much as digits as its factorization.

9996139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 118098, while the sum is 46.

The square root of 9996139 is about 3161.6671235283. The cubic root of 9996139 is about 215.4157378594.

It can be divided in two parts, 99961 and 39, that added together give a 5-th power (100000 = 10⁵).

The spelling of 9996139 in words is "nine million, nine hundred ninety-six thousand, one hundred thirty-nine".