1113135473 has 2 divisors, whose sum is σ = 1113135474. Its totient is φ = 1113135472.

The previous prime is 1113135437. The next prime is 1113135547. The reversal of 1113135473 is 3745313111.

Together with previous prime (1113135437) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 577537024 + 535598449 = 24032^2 + 23143^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113135473 - 2⁶ = 1113135409 is a prime.

It is not a weakly prime, because it can be changed into another prime (1113135433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556567736 + 556567737.

It is an arithmetic number, because the mean of its divisors is an integer number (556567737).

Almost surely, 2^1113135473 is an apocalyptic number.

It is an amenable number.

1113135473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113135473 is an equidigital number, since it uses as much as digits as its factorization.

1113135473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 29.

The square root of 1113135473 is about 33363.6849433632. The cubic root of 1113135473 is about 1036.3728033370.

Adding to 1113135473 its reverse (3745313111), we get a palindrome (4858448584).

The spelling of 1113135473 in words is "one billion, one hundred thirteen million, one hundred thirty-five thousand, four hundred seventy-three".