1140194773 has 2 divisors, whose sum is σ = 1140194774. Its totient is φ = 1140194772.

The previous prime is 1140194749. The next prime is 1140194779. The reversal of 1140194773 is 3774910411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 650148004 + 490046769 = 25498^2 + 22137^2 .

It is an emirp because it is prime and its reverse (3774910411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1140194773 - 2⁹ = 1140194261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140194779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570097386 + 570097387.

It is an arithmetic number, because the mean of its divisors is an integer number (570097387).

Almost surely, 2^1140194773 is an apocalyptic number.

It is an amenable number.

1140194773 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140194773 is an equidigital number, since it uses as much as digits as its factorization.

1140194773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 1140194773 is about 33766.7702482781. The cubic root of 1140194773 is about 1044.7034171278.

The spelling of 1140194773 in words is "one billion, one hundred forty million, one hundred ninety-four thousand, seven hundred seventy-three".