540021141 has 32 divisors (see below), whose sum is σ = 877376640. Its totient is φ = 325555200.

The previous prime is 540021121. The next prime is 540021143. The reversal of 540021141 is 141120045.

It is not a de Polignac number, because 540021141 - 2²³ = 531632533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540021143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52611 + ... + 62031.

It is an arithmetic number, because the mean of its divisors is an integer number (27418020).

Almost surely, 2^540021141 is an apocalyptic number.

It is an amenable number.

540021141 is a deficient number, since it is larger than the sum of its proper divisors (337355499).

540021141 is a wasteful number, since it uses less digits than its factorization.

540021141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9634 (or 9628 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 540021141 is about 23238.3549546864. The cubic root of 540021141 is about 814.3359117848.

Adding to 540021141 its reverse (141120045), we get a palindrome (681141186).

The spelling of 540021141 in words is "five hundred forty million, twenty-one thousand, one hundred forty-one".