540313132493 has 4 divisors (see below), whose sum is σ = 543548540640. Its totient is φ = 537077724348.

The previous prime is 540313132459. The next prime is 540313132603. The reversal of 540313132493 is 394231313045.

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 540313132493 - 2²⁰ = 540312083917 is a prime.

It is a super-2 number, since 2×540313132493² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540313132423) 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, 1617703823 + ... + 1617704156.

It is an arithmetic number, because the mean of its divisors is an integer number (135887135160).

Almost surely, 2^540313132493 is an apocalyptic number.

It is an amenable number.

540313132493 is a deficient number, since it is larger than the sum of its proper divisors (3235408147).

540313132493 is a wasteful number, since it uses less digits than its factorization.

540313132493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235408146.

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 540313132493 in words is "five hundred forty billion, three hundred thirteen million, one hundred thirty-two thousand, four hundred ninety-three".