27090131 has 2 divisors, whose sum is σ = 27090132. Its totient is φ = 27090130.

The previous prime is 27090109. The next prime is 27090139. The reversal of 27090131 is 13109072.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27090131 - 2²² = 22895827 is a prime.

It is a super-2 number, since 2×27090131² = 1467750395194322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27090097 and 27090106.

It is not a weakly prime, because it can be changed into another prime (27090139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13545065 + 13545066.

It is an arithmetic number, because the mean of its divisors is an integer number (13545066).

Almost surely, 2^27090131 is an apocalyptic number.

27090131 is a deficient number, since it is larger than the sum of its proper divisors (1).

27090131 is an equidigital number, since it uses as much as digits as its factorization.

27090131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 27090131 is about 5204.8180563781. The cubic root of 27090131 is about 300.3334477565. Note that the first 3 decimals are identical.

The spelling of 27090131 in words is "twenty-seven million, ninety thousand, one hundred thirty-one".