1143762613 has 24 divisors (see below), whose sum is σ = 1349999168. Its totient is φ = 949071168.

The previous prime is 1143762593. The next prime is 1143762629. The reversal of 1143762613 is 3162673411.

It is not a de Polignac number, because 1143762613 - 2¹³ = 1143754421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143762673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1778470 + ... + 1779112.

Almost surely, 2^1143762613 is an apocalyptic number.

It is an amenable number.

1143762613 is a deficient number, since it is larger than the sum of its proper divisors (206236555).

1143762613 is an frugal number, since it uses more digits than its factorization.

1143762613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841 (or 782 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 1143762613 is about 33819.5596216154. The cubic root of 1143762613 is about 1045.7919602659.

The spelling of 1143762613 in words is "one billion, one hundred forty-three million, seven hundred sixty-two thousand, six hundred thirteen".