1109739368 has 8 divisors (see below), whose sum is σ = 2080761330. Its totient is φ = 554869680.

The previous prime is 1109739361. The next prime is 1109739377. The reversal of 1109739368 is 8639379011.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 999950884 + 109788484 = 31622^2 + 10478^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1109739361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69358703 + ... + 69358718.

Almost surely, 2^1109739368 is an apocalyptic number.

It is an amenable number.

1109739368 is a deficient number, since it is larger than the sum of its proper divisors (971021962).

1109739368 is a wasteful number, since it uses less digits than its factorization.

1109739368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138717427 (or 138717423 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 1109739368 is about 33312.7508320763. The cubic root of 1109739368 is about 1035.3177606480.

The spelling of 1109739368 in words is "one billion, one hundred nine million, seven hundred thirty-nine thousand, three hundred sixty-eight".