1146113641 has 4 divisors (see below), whose sum is σ = 1154479572. Its totient is φ = 1137747712.

The previous prime is 1146113623. The next prime is 1146113671. The reversal of 1146113641 is 1463116411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 480267225 + 665846416 = 21915^2 + 25804^2 .

It is a cyclic number.

It is not a de Polignac number, because 1146113641 - 2¹³ = 1146105449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1146113671) 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, 4182760 + ... + 4183033.

It is an arithmetic number, because the mean of its divisors is an integer number (288619893).

Almost surely, 2^1146113641 is an apocalyptic number.

It is an amenable number.

1146113641 is a deficient number, since it is larger than the sum of its proper divisors (8365931).

1146113641 is an equidigital number, since it uses as much as digits as its factorization.

1146113641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8365930.

The product of its digits is 1728, while the sum is 28.

The square root of 1146113641 is about 33854.3001847623. The cubic root of 1146113641 is about 1046.5080189558.

The spelling of 1146113641 in words is "one billion, one hundred forty-six million, one hundred thirteen thousand, six hundred forty-one".