8139113 has 2 divisors, whose sum is σ = 8139114. Its totient is φ = 8139112.

The previous prime is 8139071. The next prime is 8139119. The reversal of 8139113 is 3119318.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5139289 + 2999824 = 2267^2 + 1732^2 .

It is a cyclic number.

It is not a de Polignac number, because 8139113 - 2¹⁴ = 8122729 is a prime.

It is not a weakly prime, because it can be changed into another prime (8139119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4069556 + 4069557.

It is an arithmetic number, because the mean of its divisors is an integer number (4069557).

Almost surely, 2^8139113 is an apocalyptic number.

It is an amenable number.

8139113 is a deficient number, since it is larger than the sum of its proper divisors (1).

8139113 is an equidigital number, since it uses as much as digits as its factorization.

8139113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 26.

The square root of 8139113 is about 2852.9130726330. The cubic root of 8139113 is about 201.1526195798.

The spelling of 8139113 in words is "eight million, one hundred thirty-nine thousand, one hundred thirteen".