1540163413 has 2 divisors, whose sum is σ = 1540163414. Its totient is φ = 1540163412.

The previous prime is 1540163393. The next prime is 1540163419. The reversal of 1540163413 is 3143610451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1347036804 + 193126609 = 36702^2 + 13897^2 .

It is a cyclic number.

It is not a de Polignac number, because 1540163413 - 2⁹ = 1540162901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1540163419) 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, 770081706 + 770081707.

It is an arithmetic number, because the mean of its divisors is an integer number (770081707).

Almost surely, 2^1540163413 is an apocalyptic number.

It is an amenable number.

1540163413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1540163413 is an equidigital number, since it uses as much as digits as its factorization.

1540163413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1540163413 is about 39244.9157598790. The cubic root of 1540163413 is about 1154.8411950351.

Adding to 1540163413 its reverse (3143610451), we get a palindrome (4683773864).

The spelling of 1540163413 in words is "one billion, five hundred forty million, one hundred sixty-three thousand, four hundred thirteen".