540142869 has 16 divisors (see below), whose sum is σ = 832325760. Its totient is φ = 305184000.

The previous prime is 540142831. The next prime is 540142871. The reversal of 540142869 is 968241045.

It is not a de Polignac number, because 540142869 - 2¹³ = 540134677 is a prime.

It is a super-2 number, since 2×540142869² = 583508637863102322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540142069) 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 15 ways as a sum of consecutive naturals, for example, 142632 + ... + 146369.

It is an arithmetic number, because the mean of its divisors is an integer number (52020360).

Almost surely, 2^540142869 is an apocalyptic number.

It is an amenable number.

540142869 is a deficient number, since it is larger than the sum of its proper divisors (292182891).

540142869 is a wasteful number, since it uses less digits than its factorization.

540142869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289100.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 540142869 is about 23240.9739253758. The cubic root of 540142869 is about 814.3970945960.

The spelling of 540142869 in words is "five hundred forty million, one hundred forty-two thousand, eight hundred sixty-nine".