1143260764 has 12 divisors (see below), whose sum is σ = 2003354584. Its totient is φ = 570873744.

The previous prime is 1143260689. The next prime is 1143260773. The reversal of 1143260764 is 4670623411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185754 + ... + 191809.

Almost surely, 2^1143260764 is an apocalyptic number.

It is an amenable number.

1143260764 is a deficient number, since it is larger than the sum of its proper divisors (860093820).

1143260764 is a wasteful number, since it uses less digits than its factorization.

1143260764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378324 (or 378322 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 1143260764 is about 33812.1392993700. The cubic root of 1143260764 is about 1045.6389837589.

The spelling of 1143260764 in words is "one billion, one hundred forty-three million, two hundred sixty thousand, seven hundred sixty-four".