1140424189 has 2 divisors, whose sum is σ = 1140424190. Its totient is φ = 1140424188.

The previous prime is 1140424147. The next prime is 1140424279. The reversal of 1140424189 is 9814240411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 953883225 + 186540964 = 30885^2 + 13658^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140424189 - 2⁹ = 1140423677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140424489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570212094 + 570212095.

It is an arithmetic number, because the mean of its divisors is an integer number (570212095).

Almost surely, 2^1140424189 is an apocalyptic number.

It is an amenable number.

1140424189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140424189 is an equidigital number, since it uses as much as digits as its factorization.

1140424189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 1140424189 is about 33770.1671449817. The cubic root of 1140424189 is about 1044.7734798961.

The spelling of 1140424189 in words is "one billion, one hundred forty million, four hundred twenty-four thousand, one hundred eighty-nine".