26368138 has 4 divisors (see below), whose sum is σ = 39552210. Its totient is φ = 13184068.

The previous prime is 26368109. The next prime is 26368151. The reversal of 26368138 is 83186362.

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., 26347689 + 20449 = 5133^2 + 143^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26368097 and 26368106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6592033 + ... + 6592036.

Almost surely, 2^26368138 is an apocalyptic number.

26368138 is a deficient number, since it is larger than the sum of its proper divisors (13184072).

26368138 is a wasteful number, since it uses less digits than its factorization.

26368138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13184071.

The product of its digits is 41472, while the sum is 37.

The square root of 26368138 is about 5134.9915287175. The cubic root of 26368138 is about 297.6412736744.

The spelling of 26368138 in words is "twenty-six million, three hundred sixty-eight thousand, one hundred thirty-eight".