26131385 has 16 divisors (see below), whose sum is σ = 36516096. Its totient is φ = 17579328.

The previous prime is 26131331. The next prime is 26131411. The reversal of 26131385 is 58313162.

It is a cyclic number.

It is not a de Polignac number, because 26131385 - 2⁶ = 26131321 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5189 + ... + 8898.

It is an arithmetic number, because the mean of its divisors is an integer number (2282256).

Almost surely, 2^26131385 is an apocalyptic number.

It is an amenable number.

26131385 is a deficient number, since it is larger than the sum of its proper divisors (10384711).

26131385 is a wasteful number, since it uses less digits than its factorization.

26131385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14152.

The product of its digits is 4320, while the sum is 29.

The square root of 26131385 is about 5111.8866380232. The cubic root of 26131385 is about 296.7477783234.

The spelling of 26131385 in words is "twenty-six million, one hundred thirty-one thousand, three hundred eighty-five".