26356139 has 8 divisors (see below), whose sum is σ = 26879760. Its totient is φ = 25837056.

The previous prime is 26356129. The next prime is 26356151. The reversal of 26356139 is 93165362.

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

It is a cyclic number.

It is not a de Polignac number, because 26356139 - 2⁸ = 26355883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26356099 and 26356108.

It is not an unprimeable number, because it can be changed into a prime (26356129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12059 + ... + 14075.

It is an arithmetic number, because the mean of its divisors is an integer number (3359970).

Almost surely, 2^26356139 is an apocalyptic number.

26356139 is a deficient number, since it is larger than the sum of its proper divisors (523621).

26356139 is a wasteful number, since it uses less digits than its factorization.

26356139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269.

The product of its digits is 29160, while the sum is 35.

The square root of 26356139 is about 5133.8230394122. The cubic root of 26356139 is about 297.5961189311.

The spelling of 26356139 in words is "twenty-six million, three hundred fifty-six thousand, one hundred thirty-nine".