1149163794 has 16 divisors (see below), whose sum is σ = 2553697440. Its totient is φ = 383054580.

The previous prime is 1149163747. The next prime is 1149163837. The reversal of 1149163794 is 4973619411.

It is a happy number.

1149163794 is a `hidden beast` number, since 1 + 1 + 4 + 9 + 1 + 637 + 9 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10640352 + ... + 10640459.

It is an arithmetic number, because the mean of its divisors is an integer number (159606090).

Almost surely, 2^1149163794 is an apocalyptic number.

1149163794 is an abundant number, since it is smaller than the sum of its proper divisors (1404533646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1149163794 is a wasteful number, since it uses less digits than its factorization.

1149163794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21280822 (or 21280816 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 1149163794 is about 33899.3184887248. The cubic root of 1149163794 is about 1047.4355541223.

The spelling of 1149163794 in words is "one billion, one hundred forty-nine million, one hundred sixty-three thousand, seven hundred ninety-four".