10531139 has 2 divisors, whose sum is σ = 10531140. Its totient is φ = 10531138.

The previous prime is 10531121. The next prime is 10531151. The reversal of 10531139 is 93113501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10531139 - 2¹² = 10527043 is a prime.

It is a super-2 number, since 2×10531139² = 221809777274642, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10531159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5265569 + 5265570.

It is an arithmetic number, because the mean of its divisors is an integer number (5265570).

Almost surely, 2^10531139 is an apocalyptic number.

10531139 is a deficient number, since it is larger than the sum of its proper divisors (1).

10531139 is an equidigital number, since it uses as much as digits as its factorization.

10531139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 405, while the sum is 23.

The square root of 10531139 is about 3245.1716441507. The cubic root of 10531139 is about 219.1922097836.

The spelling of 10531139 in words is "ten million, five hundred thirty-one thousand, one hundred thirty-nine".