540522541422131 has 4 divisors (see below), whose sum is σ = 540548157411264. Its totient is φ = 540496925433000.

The previous prime is 540522541422089. The next prime is 540522541422151. The reversal of 540522541422131 is 131224145225045.

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

It is a cyclic number.

It is not a de Polignac number, because 540522541422131 - 2²⁶ = 540522474313267 is a prime.

It is a super-2 number, since 2×540522541422131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540522541422151) 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, 12807962915 + ... + 12808005116.

It is an arithmetic number, because the mean of its divisors is an integer number (135137039352816).

Almost surely, 2^{540522541422131} is an apocalyptic number.

540522541422131 is a deficient number, since it is larger than the sum of its proper divisors (25615989133).

540522541422131 is a wasteful number, since it uses less digits than its factorization.

540522541422131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25615989132.

The product of its (nonzero) digits is 384000, while the sum is 41.

Adding to 540522541422131 its reverse (131224145225045), we get a palindrome (671746686647176).

The spelling of 540522541422131 in words is "five hundred forty trillion, five hundred twenty-two billion, five hundred forty-one million, four hundred twenty-two thousand, one hundred thirty-one".