1540014531427 has 2 divisors, whose sum is σ = 1540014531428. Its totient is φ = 1540014531426.

The previous prime is 1540014531413. The next prime is 1540014531499. The reversal of 1540014531427 is 7241354100451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1540014531427 - 2²³ = 1540006142819 is a prime.

It is not a weakly prime, because it can be changed into another prime (1540014537427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770007265713 + 770007265714.

It is an arithmetic number, because the mean of its divisors is an integer number (770007265714).

Almost surely, 2^{1540014531427} is an apocalyptic number.

1540014531427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1540014531427 is an equidigital number, since it uses as much as digits as its factorization.

1540014531427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 37.

Adding to 1540014531427 its reverse (7241354100451), we get a palindrome (8781368631878).

The spelling of 1540014531427 in words is "one trillion, five hundred forty billion, fourteen million, five hundred thirty-one thousand, four hundred twenty-seven".