540242147 has 8 divisors (see below), whose sum is σ = 567193344. Its totient is φ = 513579528.

The previous prime is 540242141. The next prime is 540242149. The reversal of 540242147 is 741242045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 540242147 - 2⁶ = 540242083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540242141) 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 in 7 ways as a sum of consecutive naturals, for example, 68303 + ... + 75800.

It is an arithmetic number, because the mean of its divisors is an integer number (70899168).

Almost surely, 2^540242147 is an apocalyptic number.

540242147 is a deficient number, since it is larger than the sum of its proper divisors (26951197).

540242147 is a wasteful number, since it uses less digits than its factorization.

540242147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144289.

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 540242147 is about 23243.1096671680. The cubic root of 540242147 is about 814.4469868044.

The spelling of 540242147 in words is "five hundred forty million, two hundred forty-two thousand, one hundred forty-seven".