26820134 has 36 divisors (see below), whose sum is σ = 46821852. Its totient is φ = 11511720.

The previous prime is 26820133. The next prime is 26820137. The reversal of 26820134 is 43102862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26820133) 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 in 17 ways as a sum of consecutive naturals, for example, 87209 + ... + 87515.

It is an arithmetic number, because the mean of its divisors is an integer number (1300607).

Almost surely, 2^26820134 is an apocalyptic number.

26820134 is a deficient number, since it is larger than the sum of its proper divisors (20001718).

26820134 is a wasteful number, since it uses less digits than its factorization.

26820134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 26820134 is about 5178.8158878261. The cubic root of 26820134 is about 299.3323448539.

Adding to 26820134 its reverse (43102862), we get a palindrome (69922996).

It can be divided in two parts, 268 and 20134, that added together give a palindrome (20402).

The spelling of 26820134 in words is "twenty-six million, eight hundred twenty thousand, one hundred thirty-four".