26282138 has 4 divisors (see below), whose sum is σ = 39423210. Its totient is φ = 13141068.

The previous prime is 26282131. The next prime is 26282147. The reversal of 26282138 is 83128262.

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

It can be written as a sum of positive squares in only one way, i.e., 20584369 + 5697769 = 4537^2 + 2387^2 .

It is not an unprimeable number, because it can be changed into a prime (26282131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6570533 + ... + 6570536.

Almost surely, 2^26282138 is an apocalyptic number.

26282138 is a deficient number, since it is larger than the sum of its proper divisors (13141072).

26282138 is a wasteful number, since it uses less digits than its factorization.

26282138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13141071.

The product of its digits is 9216, while the sum is 32.

The square root of 26282138 is about 5126.6107712601. The cubic root of 26282138 is about 297.3173343739.

The spelling of 26282138 in words is "twenty-six million, two hundred eighty-two thousand, one hundred thirty-eight".