540261003133 has 4 divisors (see below), whose sum is σ = 540423295740. Its totient is φ = 540098710528.

The previous prime is 540261003091. The next prime is 540261003151. The reversal of 540261003133 is 331300162045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331300162045 = 5 ⋅66260032409.

It can be written as a sum of positive squares in 2 ways, for example, as 245756164644 + 294504838489 = 495738^2 + 542683^2 .

It is a cyclic number.

It is not a de Polignac number, because 540261003133 - 2²¹ = 540258905981 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 (540261003433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81141310 + ... + 81147967.

It is an arithmetic number, because the mean of its divisors is an integer number (135105823935).

Almost surely, 2^540261003133 is an apocalyptic number.

It is an amenable number.

540261003133 is a deficient number, since it is larger than the sum of its proper divisors (162292607).

540261003133 is a wasteful number, since it uses less digits than its factorization.

540261003133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162292606.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 540261003133 its reverse (331300162045), we get a palindrome (871561165178).

The spelling of 540261003133 in words is "five hundred forty billion, two hundred sixty-one million, three thousand, one hundred thirty-three".