540501133 has 4 divisors (see below), whose sum is σ = 540693568. Its totient is φ = 540308700.

The previous prime is 540501131. The next prime is 540501161. The reversal of 540501133 is 331105045.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 540501133 - 2¹ = 540501131 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 (540501131) 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 3 ways as a sum of consecutive naturals, for example, 91941 + ... + 97642.

It is an arithmetic number, because the mean of its divisors is an integer number (135173392).

Almost surely, 2^540501133 is an apocalyptic number.

It is an amenable number.

540501133 is a deficient number, since it is larger than the sum of its proper divisors (192435).

540501133 is a wasteful number, since it uses less digits than its factorization.

540501133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192434.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 540501133 is about 23248.6802421127. The cubic root of 540501133 is about 814.5771115837.

Adding to 540501133 its reverse (331105045), we get a palindrome (871606178).

The spelling of 540501133 in words is "five hundred forty million, five hundred one thousand, one hundred thirty-three".