1149436788 has 48 divisors (see below), whose sum is σ = 2719589376. Its totient is φ = 377796960.

The previous prime is 1149436777. The next prime is 1149436789. The reversal of 1149436788 is 8876349411.

It is a self number, because there is not a number n which added to its sum of digits gives 1149436788.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149436789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 807045 + ... + 808467.

It is an arithmetic number, because the mean of its divisors is an integer number (56658112).

Almost surely, 2^1149436788 is an apocalyptic number.

It is an amenable number.

1149436788 is an abundant number, since it is smaller than the sum of its proper divisors (1570152588).

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

1149436788 is a wasteful number, since it uses less digits than its factorization.

1149436788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324 (or 2322 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 51.

The square root of 1149436788 is about 33903.3447907430. The cubic root of 1149436788 is about 1047.5184900749.

The spelling of 1149436788 in words is "one billion, one hundred forty-nine million, four hundred thirty-six thousand, seven hundred eighty-eight".