540144387 has 12 divisors (see below), whose sum is σ = 780987480. Its totient is φ = 359736768.

The previous prime is 540144379. The next prime is 540144391. The reversal of 540144387 is 783441045.

It is not a de Polignac number, because 540144387 - 2³ = 540144379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540144487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20278 + ... + 38619.

It is an arithmetic number, because the mean of its divisors is an integer number (65082290).

Almost surely, 2^540144387 is an apocalyptic number.

540144387 is a deficient number, since it is larger than the sum of its proper divisors (240843093).

540144387 is a wasteful number, since it uses less digits than its factorization.

540144387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59922 (or 59919 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 540144387 is about 23241.0065831926. The cubic root of 540144387 is about 814.3978575137.

The spelling of 540144387 in words is "five hundred forty million, one hundred forty-four thousand, three hundred eighty-seven".