26138113 has 2 divisors, whose sum is σ = 26138114. Its totient is φ = 26138112.

The previous prime is 26138089. The next prime is 26138131. The reversal of 26138113 is 31183162.

Together with next prime (26138131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19210689 + 6927424 = 4383^2 + 2632^2 .

It is a cyclic number.

It is not a de Polignac number, because 26138113 - 2⁵ = 26138081 is a prime.

It is not a weakly prime, because it can be changed into another prime (26138213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13069056 + 13069057.

It is an arithmetic number, because the mean of its divisors is an integer number (13069057).

Almost surely, 2^26138113 is an apocalyptic number.

It is an amenable number.

26138113 is a deficient number, since it is larger than the sum of its proper divisors (1).

26138113 is an equidigital number, since it uses as much as digits as its factorization.

26138113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 25.

The square root of 26138113 is about 5112.5446697315. The cubic root of 26138113 is about 296.7732438410.

The spelling of 26138113 in words is "twenty-six million, one hundred thirty-eight thousand, one hundred thirteen".