1109631748 has 6 divisors (see below), whose sum is σ = 1941855566. Its totient is φ = 554815872.

The previous prime is 1109631713. The next prime is 1109631751. The reversal of 1109631748 is 8471369011.

It can be written as a sum of positive squares in only one way, i.e., 806105664 + 303526084 = 28392^2 + 17422^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1109631748.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138703965 + ... + 138703972.

Almost surely, 2^1109631748 is an apocalyptic number.

It is an amenable number.

1109631748 is a deficient number, since it is larger than the sum of its proper divisors (832223818).

1109631748 is a wasteful number, since it uses less digits than its factorization.

1109631748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277407941 (or 277407939 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 1109631748 is about 33311.1354955066. The cubic root of 1109631748 is about 1035.2842919788.

The spelling of 1109631748 in words is "one billion, one hundred nine million, six hundred thirty-one thousand, seven hundred forty-eight".