26138145 has 32 divisors (see below), whose sum is σ = 45959040. Its totient is φ = 12579840.

The previous prime is 26138131. The next prime is 26138149. The reversal of 26138145 is 54183162.

It is not a de Polignac number, because 26138145 - 2⁵ = 26138113 is a prime.

It is a zygodrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (26138149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25401 + ... + 26409.

It is an arithmetic number, because the mean of its divisors is an integer number (1436220).

Almost surely, 2^26138145 is an apocalyptic number.

It is an amenable number.

26138145 is a deficient number, since it is larger than the sum of its proper divisors (19820895).

26138145 is a wasteful number, since it uses less digits than its factorization.

26138145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185.

The product of its digits is 5760, while the sum is 30.

The square root of 26138145 is about 5112.5477992876. The cubic root of 26138145 is about 296.7733649507.

The spelling of 26138145 in words is "twenty-six million, one hundred thirty-eight thousand, one hundred forty-five".