26134439 has 2 divisors, whose sum is σ = 26134440. Its totient is φ = 26134438.

The previous prime is 26134403. The next prime is 26134447. The reversal of 26134439 is 93443162.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26134439 - 2⁸ = 26134183 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26134639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13067219 + 13067220.

It is an arithmetic number, because the mean of its divisors is an integer number (13067220).

Almost surely, 2^26134439 is an apocalyptic number.

26134439 is a deficient number, since it is larger than the sum of its proper divisors (1).

26134439 is an equidigital number, since it uses as much as digits as its factorization.

26134439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 32.

The square root of 26134439 is about 5112.1853448403. The cubic root of 26134439 is about 296.7593382721.

The spelling of 26134439 in words is "twenty-six million, one hundred thirty-four thousand, four hundred thirty-nine".