540998159 has 8 divisors (see below), whose sum is σ = 589160880. Its totient is φ = 493770816.

The previous prime is 540998149. The next prime is 540998173. The reversal of 540998159 is 951899045.

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 540998159 - 2⁸ = 540997903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540998149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232637 + ... + 234950.

It is an arithmetic number, because the mean of its divisors is an integer number (73645110).

Almost surely, 2^540998159 is an apocalyptic number.

540998159 is a deficient number, since it is larger than the sum of its proper divisors (48162721).

540998159 is a wasteful number, since it uses less digits than its factorization.

540998159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467689.

The product of its (nonzero) digits is 583200, while the sum is 50.

The square root of 540998159 is about 23259.3671238063. The cubic root of 540998159 is about 814.8267206606.

The spelling of 540998159 in words is "five hundred forty million, nine hundred ninety-eight thousand, one hundred fifty-nine".