26800135 has 4 divisors (see below), whose sum is σ = 32160168. Its totient is φ = 21440104.

The previous prime is 26800133. The next prime is 26800153. The reversal of 26800135 is 53100862.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26800135 - 2¹ = 26800133 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26800133) 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 in 3 ways as a sum of consecutive naturals, for example, 2680009 + ... + 2680018.

It is an arithmetic number, because the mean of its divisors is an integer number (8040042).

Almost surely, 2^26800135 is an apocalyptic number.

26800135 is a deficient number, since it is larger than the sum of its proper divisors (5360033).

26800135 is an equidigital number, since it uses as much as digits as its factorization.

26800135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5360032.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 26800135 is about 5176.8846809640. The cubic root of 26800135 is about 299.2579251893.

Adding to 26800135 its reverse (53100862), we get a palindrome (79900997).

The spelling of 26800135 in words is "twenty-six million, eight hundred thousand, one hundred thirty-five".