26940131 has 4 divisors (see below), whose sum is σ = 26979264. Its totient is φ = 26901000.

The previous prime is 26940103. The next prime is 26940143. The reversal of 26940131 is 13104962.

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

It is a cyclic number.

It is not a de Polignac number, because 26940131 - 2¹⁴ = 26923747 is a prime.

It is a super-2 number, since 2×26940131² = 1451541316594322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26940131.

It is not an unprimeable number, because it can be changed into a prime (26940031) 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, 18515 + ... + 19916.

It is an arithmetic number, because the mean of its divisors is an integer number (6744816).

Almost surely, 2^26940131 is an apocalyptic number.

26940131 is a deficient number, since it is larger than the sum of its proper divisors (39133).

26940131 is an equidigital number, since it uses as much as digits as its factorization.

26940131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39132.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 26940131 is about 5190.3883284394. The cubic root of 26940131 is about 299.7780988697.

The spelling of 26940131 in words is "twenty-six million, nine hundred forty thousand, one hundred thirty-one".