1143535079 has 2 divisors, whose sum is σ = 1143535080. Its totient is φ = 1143535078.

The previous prime is 1143535031. The next prime is 1143535093. The reversal of 1143535079 is 9705353411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1143535079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1143535009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571767539 + 571767540.

It is an arithmetic number, because the mean of its divisors is an integer number (571767540).

Almost surely, 2^1143535079 is an apocalyptic number.

1143535079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143535079 is an equidigital number, since it uses as much as digits as its factorization.

1143535079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 1143535079 is about 33816.1955133927. The cubic root of 1143535079 is about 1045.7226075855.

The spelling of 1143535079 in words is "one billion, one hundred forty-three million, five hundred thirty-five thousand, seventy-nine".