26138363 has 4 divisors (see below), whose sum is σ = 26981568. Its totient is φ = 25295160.

The previous prime is 26138353. The next prime is 26138393. The reversal of 26138363 is 36383162.

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 26138363 - 2⁴ = 26138347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26138323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421556 + ... + 421617.

It is an arithmetic number, because the mean of its divisors is an integer number (6745392).

Almost surely, 2^26138363 is an apocalyptic number.

26138363 is a deficient number, since it is larger than the sum of its proper divisors (843205).

26138363 is an equidigital number, since it uses as much as digits as its factorization.

26138363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843204.

The product of its digits is 15552, while the sum is 32.

The square root of 26138363 is about 5112.5691193372. The cubic root of 26138363 is about 296.7741900082.

The spelling of 26138363 in words is "twenty-six million, one hundred thirty-eight thousand, three hundred sixty-three".