540644119 has 2 divisors, whose sum is σ = 540644120. Its totient is φ = 540644118.

The previous prime is 540644087. The next prime is 540644161. The reversal of 540644119 is 911446045.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540644119 - 2⁵ = 540644087 is a prime.

It is a super-2 number, since 2×540644119² = 584592126818572322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540644179) 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, 270322059 + 270322060.

It is an arithmetic number, because the mean of its divisors is an integer number (270322060).

Almost surely, 2^540644119 is an apocalyptic number.

540644119 is a deficient number, since it is larger than the sum of its proper divisors (1).

540644119 is an equidigital number, since it uses as much as digits as its factorization.

540644119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 540644119 is about 23251.7551810611. The cubic root of 540644119 is about 814.6489355797.

The spelling of 540644119 in words is "five hundred forty million, six hundred forty-four thousand, one hundred nineteen".