26927139 has 4 divisors (see below), whose sum is σ = 35902856. Its totient is φ = 17951424.

The previous prime is 26927137. The next prime is 26927141. The reversal of 26927139 is 93172962.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (26927137) and next prime (26927141).

It is not a de Polignac number, because 26927139 - 2¹ = 26927137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26927097 and 26927106.

It is not an unprimeable number, because it can be changed into a prime (26927137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4487854 + ... + 4487859.

It is an arithmetic number, because the mean of its divisors is an integer number (8975714).

Almost surely, 2^26927139 is an apocalyptic number.

26927139 is a deficient number, since it is larger than the sum of its proper divisors (8975717).

26927139 is an equidigital number, since it uses as much as digits as its factorization.

26927139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8975716.

The product of its digits is 40824, while the sum is 39.

The square root of 26927139 is about 5189.1366333910. The cubic root of 26927139 is about 299.7299013398.

The spelling of 26927139 in words is "twenty-six million, nine hundred twenty-seven thousand, one hundred thirty-nine".