8540141 has 2 divisors, whose sum is σ = 8540142. Its totient is φ = 8540140.

The previous prime is 8540117. The next prime is 8540143. The reversal of 8540141 is 1410458.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7645225 + 894916 = 2765^2 + 946^2 .

It is a cyclic number.

It is not a de Polignac number, because 8540141 - 2²² = 4345837 is a prime.

Together with 8540143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8540143) 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 as a sum of consecutive naturals, namely, 4270070 + 4270071.

It is an arithmetic number, because the mean of its divisors is an integer number (4270071).

Almost surely, 2^8540141 is an apocalyptic number.

It is an amenable number.

8540141 is a deficient number, since it is larger than the sum of its proper divisors (1).

8540141 is an equidigital number, since it uses as much as digits as its factorization.

8540141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 8540141 is about 2922.3519637443. The cubic root of 8540141 is about 204.4035089771.

Adding to 8540141 its reverse (1410458), we get a palindrome (9950599).

The spelling of 8540141 in words is "eight million, five hundred forty thousand, one hundred forty-one".