26130865 has 8 divisors (see below), whose sum is σ = 31390848. Its totient is φ = 20882160.

The previous prime is 26130859. The next prime is 26130869. The reversal of 26130865 is 56803162.

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

It is not a de Polignac number, because 26130865 - 2⁹ = 26130353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26130869) 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, 3624 + ... + 8086.

It is an arithmetic number, because the mean of its divisors is an integer number (3923856).

Almost surely, 2^26130865 is an apocalyptic number.

It is an amenable number.

26130865 is a deficient number, since it is larger than the sum of its proper divisors (5259983).

26130865 is a wasteful number, since it uses less digits than its factorization.

26130865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5639.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 26130865 is about 5111.8357759224. The cubic root of 26130865 is about 296.7458099385.

The spelling of 26130865 in words is "twenty-six million, one hundred thirty thousand, eight hundred sixty-five".