9690139 has 2 divisors, whose sum is σ = 9690140. Its totient is φ = 9690138.

The previous prime is 9690103. The next prime is 9690211. The reversal of 9690139 is 9310969.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9690139 - 2²¹ = 7592987 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 9690098 and 9690107.

It is not a weakly prime, because it can be changed into another prime (9690539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4845069 + 4845070.

It is an arithmetic number, because the mean of its divisors is an integer number (4845070).

Almost surely, 2^9690139 is an apocalyptic number.

9690139 is a deficient number, since it is larger than the sum of its proper divisors (1).

9690139 is an equidigital number, since it uses as much as digits as its factorization.

9690139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13122, while the sum is 37.

The square root of 9690139 is about 3112.8988097913. The cubic root of 9690139 is about 213.1948300746.

The spelling of 9690139 in words is "nine million, six hundred ninety thousand, one hundred thirty-nine".