26421135 has 64 divisors (see below), whose sum is σ = 48964608. Its totient is φ = 12063744.

The previous prime is 26421133. The next prime is 26421167. The reversal of 26421135 is 53112462.

It is not a de Polignac number, because 26421135 - 2¹ = 26421133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26421133) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 192787 + ... + 192923.

It is an arithmetic number, because the mean of its divisors is an integer number (765072).

Almost surely, 2^26421135 is an apocalyptic number.

26421135 is a deficient number, since it is larger than the sum of its proper divisors (22543473).

26421135 is a wasteful number, since it uses less digits than its factorization.

26421135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224.

The product of its digits is 1440, while the sum is 24.

The square root of 26421135 is about 5140.1493168973. The cubic root of 26421135 is about 297.8405487530.

Adding to 26421135 its reverse (53112462), we get a palindrome (79533597).

The spelling of 26421135 in words is "twenty-six million, four hundred twenty-one thousand, one hundred thirty-five".