26134645 has 4 divisors (see below), whose sum is σ = 31361580. Its totient is φ = 20907712.

The previous prime is 26134639. The next prime is 26134651. The reversal of 26134645 is 54643162.

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

It is an interprime number because it is at equal distance from previous prime (26134639) and next prime (26134651).

It can be written as a sum of positive squares in 2 ways, for example, as 7524049 + 18610596 = 2743^2 + 4314^2 .

It is a cyclic number.

It is not a de Polignac number, because 26134645 - 2³ = 26134637 is a prime.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2613460 + ... + 2613469.

It is an arithmetic number, because the mean of its divisors is an integer number (7840395).

Almost surely, 2^26134645 is an apocalyptic number.

It is an amenable number.

26134645 is a deficient number, since it is larger than the sum of its proper divisors (5226935).

26134645 is an equidigital number, since it uses as much as digits as its factorization.

26134645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5226934.

The product of its digits is 17280, while the sum is 31.

The square root of 26134645 is about 5112.2054927399. The cubic root of 26134645 is about 296.7601179874.

The spelling of 26134645 in words is "twenty-six million, one hundred thirty-four thousand, six hundred forty-five".