10139081 has 2 divisors, whose sum is σ = 10139082. Its totient is φ = 10139080.

The previous prime is 10139069. The next prime is 10139083. The reversal of 10139081 is 18093101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10137856 + 1225 = 3184^2 + 35^2 .

It is a cyclic number.

It is not a de Polignac number, because 10139081 - 2¹⁰ = 10138057 is a prime.

It is a super-2 number, since 2×10139081² = 205601927049122, which contains 22 as substring.

Together with 10139083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10139083) 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, 5069540 + 5069541.

It is an arithmetic number, because the mean of its divisors is an integer number (5069541).

Almost surely, 2^10139081 is an apocalyptic number.

It is an amenable number.

10139081 is a deficient number, since it is larger than the sum of its proper divisors (1).

10139081 is an equidigital number, since it uses as much as digits as its factorization.

10139081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 10139081 is about 3184.1923622796. The cubic root of 10139081 is about 216.4376770725.

The spelling of 10139081 in words is "ten million, one hundred thirty-nine thousand, eighty-one".