26139713 has 2 divisors, whose sum is σ = 26139714. Its totient is φ = 26139712.

The previous prime is 26139703. The next prime is 26139739. The reversal of 26139713 is 31793162.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25877569 + 262144 = 5087^2 + 512^2 .

It is a cyclic number.

It is not a de Polignac number, because 26139713 - 2⁸ = 26139457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 26139713.

It is not a weakly prime, because it can be changed into another prime (26139703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13069856 + 13069857.

It is an arithmetic number, because the mean of its divisors is an integer number (13069857).

Almost surely, 2^26139713 is an apocalyptic number.

It is an amenable number.

26139713 is a deficient number, since it is larger than the sum of its proper divisors (1).

26139713 is an equidigital number, since it uses as much as digits as its factorization.

26139713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 32.

The square root of 26139713 is about 5112.7011451873. The cubic root of 26139713 is about 296.7792992067.

The spelling of 26139713 in words is "twenty-six million, one hundred thirty-nine thousand, seven hundred thirteen".