540142193 has 2 divisors, whose sum is σ = 540142194. Its totient is φ = 540142192.

The previous prime is 540142087. The next prime is 540142237. The reversal of 540142193 is 391241045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 311769649 + 228372544 = 17657^2 + 15112^2 .

It is a cyclic number.

It is not a de Polignac number, because 540142193 - 2¹⁰ = 540141169 is a prime.

It is not a weakly prime, because it can be changed into another prime (540142793) 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, 270071096 + 270071097.

It is an arithmetic number, because the mean of its divisors is an integer number (270071097).

Almost surely, 2^540142193 is an apocalyptic number.

It is an amenable number.

540142193 is a deficient number, since it is larger than the sum of its proper divisors (1).

540142193 is an equidigital number, since it uses as much as digits as its factorization.

540142193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 540142193 is about 23240.9593820909. The cubic root of 540142193 is about 814.3967548509.

The spelling of 540142193 in words is "five hundred forty million, one hundred forty-two thousand, one hundred ninety-three".