540120133 has 16 divisors (see below), whose sum is σ = 621794304. Its totient is φ = 459590400.

The previous prime is 540120103. The next prime is 540120137. The reversal of 540120133 is 331021045.

It is a cyclic number.

It is not a de Polignac number, because 540120133 - 2²⁹ = 3249221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 540120133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540120137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 889516 + ... + 890122.

It is an arithmetic number, because the mean of its divisors is an integer number (38862144).

Almost surely, 2^540120133 is an apocalyptic number.

It is an amenable number.

540120133 is a deficient number, since it is larger than the sum of its proper divisors (81674171).

540120133 is a wasteful number, since it uses less digits than its factorization.

540120133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 540120133 is about 23240.4847841004. The cubic root of 540120133 is about 814.3856677475.

Adding to 540120133 its reverse (331021045), we get a palindrome (871141178).

The spelling of 540120133 in words is "five hundred forty million, one hundred twenty thousand, one hundred thirty-three".