540340142201 has 4 divisors (see below), whose sum is σ = 541071320400. Its totient is φ = 539608964004.

The previous prime is 540340142171. The next prime is 540340142257. The reversal of 540340142201 is 102241043045.

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, and also an emirpimes, since its reverse is a distinct semiprime: 102241043045 = 5 ⋅20448208609.

It is a cyclic number.

It is not a de Polignac number, because 540340142201 - 2¹⁰ = 540340141177 is a prime.

It is a super-2 number, since 2×540340142201² (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 (540340142101) 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, 365587991 + ... + 365589468.

It is an arithmetic number, because the mean of its divisors is an integer number (135267830100).

Almost surely, 2^540340142201 is an apocalyptic number.

It is an amenable number.

540340142201 is a deficient number, since it is larger than the sum of its proper divisors (731178199).

540340142201 is an equidigital number, since it uses as much as digits as its factorization.

540340142201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731178198.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 540340142201 its reverse (102241043045), we get a palindrome (642581185246).

The spelling of 540340142201 in words is "five hundred forty billion, three hundred forty million, one hundred forty-two thousand, two hundred one".