1147749836 has 12 divisors (see below), whose sum is σ = 2009845320. Its totient is φ = 573508320.

The previous prime is 1147749803. The next prime is 1147749847. The reversal of 1147749836 is 6389477411.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84545 + ... + 97176.

It is an arithmetic number, because the mean of its divisors is an integer number (167487110).

Almost surely, 2^1147749836 is an apocalyptic number.

It is an amenable number.

1147749836 is a deficient number, since it is larger than the sum of its proper divisors (862095484).

1147749836 is a wasteful number, since it uses less digits than its factorization.

1147749836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183304 (or 183302 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 50.

The square root of 1147749836 is about 33878.4568125527. The cubic root of 1147749836 is about 1047.0057814082.

The spelling of 1147749836 in words is "one billion, one hundred forty-seven million, seven hundred forty-nine thousand, eight hundred thirty-six".