26131090 has 8 divisors (see below), whose sum is σ = 47035980. Its totient is φ = 10452432.

The previous prime is 26131081. The next prime is 26131093. The reversal of 26131090 is 9013162.

It can be written as a sum of positive squares in 2 ways, for example, as 26020201 + 110889 = 5101^2 + 333^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (26131093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1306545 + ... + 1306564.

Almost surely, 2^26131090 is an apocalyptic number.

26131090 is a deficient number, since it is larger than the sum of its proper divisors (20904890).

26131090 is a wasteful number, since it uses less digits than its factorization.

26131090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613116.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 26131090 is about 5111.8577836243. The cubic root of 26131090 is about 296.7466616467.

The spelling of 26131090 in words is "twenty-six million, one hundred thirty-one thousand, ninety".