1099132709 has 16 divisors (see below), whose sum is σ = 1142605440. Its totient is φ = 1056644160.

The previous prime is 1099132681. The next prime is 1099132733. The reversal of 1099132709 is 9072319901.

It is a cyclic number.

It is not a de Polignac number, because 1099132709 - 2⁸ = 1099132453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1099132009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1160174 + ... + 1161120.

It is an arithmetic number, because the mean of its divisors is an integer number (71412840).

Almost surely, 2^1099132709 is an apocalyptic number.

It is an amenable number.

1099132709 is a deficient number, since it is larger than the sum of its proper divisors (43472731).

1099132709 is an equidigital number, since it uses as much as digits as its factorization.

1099132709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420.

The product of its (nonzero) digits is 30618, while the sum is 41.

The square root of 1099132709 is about 33153.1704215449. The cubic root of 1099132709 is about 1032.0087449557.

The spelling of 1099132709 in words is "one billion, ninety-nine million, one hundred thirty-two thousand, seven hundred nine".