26913138 has 32 divisors (see below), whose sum is σ = 63020160. Its totient is φ = 7501440.

The previous prime is 26913121. The next prime is 26913143. The reversal of 26913138 is 83131962.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26913099 and 26913108.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6093 + ... + 9536.

It is an arithmetic number, because the mean of its divisors is an integer number (1969380).

Almost surely, 2^26913138 is an apocalyptic number.

26913138 is an abundant number, since it is smaller than the sum of its proper divisors (36107022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26913138 is a wasteful number, since it uses less digits than its factorization.

26913138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15682.

The product of its digits is 7776, while the sum is 33.

The square root of 26913138 is about 5187.7873896296. The cubic root of 26913138 is about 299.6779432775.

The spelling of 26913138 in words is "twenty-six million, nine hundred thirteen thousand, one hundred thirty-eight".