1140049791 has 12 divisors (see below), whose sum is σ = 1647486568. Its totient is φ = 759687984.

The previous prime is 1140049789. The next prime is 1140049819. The reversal of 1140049791 is 1979400411.

It is not a de Polignac number, because 1140049791 - 2¹ = 1140049789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140049741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6985 + ... + 48258.

Almost surely, 2^1140049791 is an apocalyptic number.

1140049791 is a deficient number, since it is larger than the sum of its proper divisors (507436777).

1140049791 is a wasteful number, since it uses less digits than its factorization.

1140049791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57542 (or 57539 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 1140049791 is about 33764.6233652917. The cubic root of 1140049791 is about 1044.6591353336.

The spelling of 1140049791 in words is "one billion, one hundred forty million, forty-nine thousand, seven hundred ninety-one".