540012131 has 2 divisors, whose sum is σ = 540012132. Its totient is φ = 540012130.

The previous prime is 540012119. The next prime is 540012133. The reversal of 540012131 is 131210045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 540012131 - 2¹⁰ = 540011107 is a prime.

It is a super-2 number, since 2×540012131² = 583226203254322322, which contains 22 as substring.

Together with 540012133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (540012133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270006065 + 270006066.

It is an arithmetic number, because the mean of its divisors is an integer number (270006066).

Almost surely, 2^540012131 is an apocalyptic number.

540012131 is a deficient number, since it is larger than the sum of its proper divisors (1).

540012131 is an equidigital number, since it uses as much as digits as its factorization.

540012131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 540012131 is about 23238.1610933396. The cubic root of 540012131 is about 814.3313828217.

Adding to 540012131 its reverse (131210045), we get a palindrome (671222176).

The spelling of 540012131 in words is "five hundred forty million, twelve thousand, one hundred thirty-one".