26145189 has 24 divisors (see below), whose sum is σ = 43377152. Its totient is φ = 14865120.

The previous prime is 26145187. The next prime is 26145193. The reversal of 26145189 is 98154162.

It is not a de Polignac number, because 26145189 - 2¹ = 26145187 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26145187) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13119 + ... + 14979.

Almost surely, 2^26145189 is an apocalyptic number.

It is an amenable number.

26145189 is a deficient number, since it is larger than the sum of its proper divisors (17231963).

26145189 is a wasteful number, since it uses less digits than its factorization.

26145189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097 (or 2094 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 26145189 is about 5113.2366461958. The cubic root of 26145189 is about 296.8000218261.

The spelling of 26145189 in words is "twenty-six million, one hundred forty-five thousand, one hundred eighty-nine".