540151313321 has 4 divisors (see below), whose sum is σ = 540157051092. Its totient is φ = 540145575552.

The previous prime is 540151313297. The next prime is 540151313323. The reversal of 540151313321 is 123313151045.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 323293450921 + 216857862400 = 568589^2 + 465680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540151313321 is a prime.

It is a super-2 number, since 2×540151313321² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540151313323) 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, 2725280 + ... + 2916753.

It is an arithmetic number, because the mean of its divisors is an integer number (135039262773).

Almost surely, 2^540151313321 is an apocalyptic number.

It is an amenable number.

540151313321 is a deficient number, since it is larger than the sum of its proper divisors (5737771).

540151313321 is an equidigital number, since it uses as much as digits as its factorization.

540151313321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5737770.

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 540151313321 its reverse (123313151045), we get a palindrome (663464464366).

The spelling of 540151313321 in words is "five hundred forty billion, one hundred fifty-one million, three hundred thirteen thousand, three hundred twenty-one".