26396137 has 2 divisors, whose sum is σ = 26396138. Its totient is φ = 26396136.

The previous prime is 26396131. The next prime is 26396141. The reversal of 26396137 is 73169362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25847056 + 549081 = 5084^2 + 741^2 .

It is a cyclic number.

It is not a de Polignac number, because 26396137 - 2²³ = 18007529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26396096 and 26396105.

It is not a weakly prime, because it can be changed into another prime (26396131) 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, 13198068 + 13198069.

It is an arithmetic number, because the mean of its divisors is an integer number (13198069).

Almost surely, 2^26396137 is an apocalyptic number.

It is an amenable number.

26396137 is a deficient number, since it is larger than the sum of its proper divisors (1).

26396137 is an equidigital number, since it uses as much as digits as its factorization.

26396137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 37.

The square root of 26396137 is about 5137.7171000358. The cubic root of 26396137 is about 297.7465865090.

The spelling of 26396137 in words is "twenty-six million, three hundred ninety-six thousand, one hundred thirty-seven".