26270138 has 8 divisors (see below), whose sum is σ = 40051380. Its totient is φ = 12919680.

The previous prime is 26270131. The next prime is 26270177. The reversal of 26270138 is 83107262.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25775929 + 494209 = 5077^2 + 703^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 26270138.

It is not an unprimeable number, because it can be changed into a prime (26270131) 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 3 ways as a sum of consecutive naturals, for example, 107543 + ... + 107786.

Almost surely, 2^26270138 is an apocalyptic number.

26270138 is a deficient number, since it is larger than the sum of its proper divisors (13781242).

26270138 is a wasteful number, since it uses less digits than its factorization.

26270138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215392.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 26270138 is about 5125.4402737716. The cubic root of 26270138 is about 297.2720773867.

The spelling of 26270138 in words is "twenty-six million, two hundred seventy thousand, one hundred thirty-eight".