26813138 has 8 divisors (see below), whose sum is σ = 43876080. Its totient is φ = 12187780.

The previous prime is 26813117. The next prime is 26813167. The reversal of 26813138 is 83131862.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

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, 609368 + ... + 609411.

It is an arithmetic number, because the mean of its divisors is an integer number (5484510).

Almost surely, 2^26813138 is an apocalyptic number.

26813138 is a deficient number, since it is larger than the sum of its proper divisors (17062942).

26813138 is a wasteful number, since it uses less digits than its factorization.

26813138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218792.

The product of its digits is 6912, while the sum is 32.

The square root of 26813138 is about 5178.1403997961. The cubic root of 26813138 is about 299.3063157621.

The spelling of 26813138 in words is "twenty-six million, eight hundred thirteen thousand, one hundred thirty-eight".