26140535 has 12 divisors (see below), whose sum is σ = 32795112. Its totient is φ = 20001168.

The previous prime is 26140531. The next prime is 26140549. The reversal of 26140535 is 53504162.

It is not a de Polignac number, because 26140535 - 2² = 26140531 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26140531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2297 + ... + 7586.

It is an arithmetic number, because the mean of its divisors is an integer number (2732926).

Almost surely, 2^26140535 is an apocalyptic number.

26140535 is a deficient number, since it is larger than the sum of its proper divisors (6654577).

26140535 is an equidigital number, since it uses as much as digits as its factorization.

26140535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9934 (or 9911 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 26140535 is about 5112.7815325907. The cubic root of 26140535 is about 296.7824100548.

Adding to 26140535 its reverse (53504162), we get a palindrome (79644697).

The spelling of 26140535 in words is "twenty-six million, one hundred forty thousand, five hundred thirty-five".