540133433 has 4 divisors (see below), whose sum is σ = 617295360. Its totient is φ = 462971508.

The previous prime is 540133427. The next prime is 540133459. The reversal of 540133433 is 334331045.

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 540133433 - 2⁴ = 540133417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540133933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38580953 + ... + 38580966.

It is an arithmetic number, because the mean of its divisors is an integer number (154323840).

Almost surely, 2^540133433 is an apocalyptic number.

It is an amenable number.

540133433 is a deficient number, since it is larger than the sum of its proper divisors (77161927).

540133433 is an equidigital number, since it uses as much as digits as its factorization.

540133433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77161926.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 540133433 is about 23240.7709209484. The cubic root of 540133433 is about 814.3923522113.

Adding to 540133433 its reverse (334331045), we get a palindrome (874464478).

The spelling of 540133433 in words is "five hundred forty million, one hundred thirty-three thousand, four hundred thirty-three".