1143140983 has 2 divisors, whose sum is σ = 1143140984. Its totient is φ = 1143140982.

The previous prime is 1143140969. The next prime is 1143140987. The reversal of 1143140983 is 3890413411.

It is a strong prime.

It is an emirp because it is prime and its reverse (3890413411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1143140983 - 2¹³ = 1143132791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1143140987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571570491 + 571570492.

It is an arithmetic number, because the mean of its divisors is an integer number (571570492).

Almost surely, 2^1143140983 is an apocalyptic number.

1143140983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143140983 is an equidigital number, since it uses as much as digits as its factorization.

1143140983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1143140983 is about 33810.3679808428. The cubic root of 1143140983 is about 1045.6024648061.

The spelling of 1143140983 in words is "one billion, one hundred forty-three million, one hundred forty thousand, nine hundred eighty-three".