540864133 has 4 divisors (see below), whose sum is σ = 548936800. Its totient is φ = 532791468.

The previous prime is 540864119. The next prime is 540864193. The reversal of 540864133 is 331468045.

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 540864133 - 2¹³ = 540855941 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 (540864193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4036233 + ... + 4036366.

It is an arithmetic number, because the mean of its divisors is an integer number (137234200).

Almost surely, 2^540864133 is an apocalyptic number.

It is an amenable number.

540864133 is a deficient number, since it is larger than the sum of its proper divisors (8072667).

540864133 is an equidigital number, since it uses as much as digits as its factorization.

540864133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8072666.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 540864133 is about 23256.4858265388. The cubic root of 540864133 is about 814.7594271564.

The spelling of 540864133 in words is "five hundred forty million, eight hundred sixty-four thousand, one hundred thirty-three".