1013663144 has 16 divisors (see below), whose sum is σ = 2046820020. Its totient is φ = 467844480.

The previous prime is 1013663143. The next prime is 1013663149. The reversal of 1013663144 is 4413663101.

1013663144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1013658244 + 4900 = 31838^2 + 70^2 .

It is not an unprimeable number, because it can be changed into a prime (1013663143) 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, 4873277 + ... + 4873484.

Almost surely, 2^1013663144 is an apocalyptic number.

It is an amenable number.

1013663144 is an abundant number, since it is smaller than the sum of its proper divisors (1033156876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1013663144 is a wasteful number, since it uses less digits than its factorization.

1013663144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9746780 (or 9746776 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1013663144 is about 31838.0769519769. The cubic root of 1013663144 is about 1004.5337949720.

The spelling of 1013663144 in words is "one billion, thirteen million, six hundred sixty-three thousand, one hundred forty-four".