540041189 has 2 divisors, whose sum is σ = 540041190. Its totient is φ = 540041188.

The previous prime is 540041153. The next prime is 540041191. The reversal of 540041189 is 981140045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 490268164 + 49773025 = 22142^2 + 7055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540041189 is a prime.

Together with 540041191, 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 (540041119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270020594 + 270020595.

It is an arithmetic number, because the mean of its divisors is an integer number (270020595).

Almost surely, 2^540041189 is an apocalyptic number.

It is an amenable number.

540041189 is a deficient number, since it is larger than the sum of its proper divisors (1).

540041189 is an equidigital number, since it uses as much as digits as its factorization.

540041189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 540041189 is about 23238.7863065178. The cubic root of 540041189 is about 814.3459889238.

The spelling of 540041189 in words is "five hundred forty million, forty-one thousand, one hundred eighty-nine".