1090109113 has 8 divisors (see below), whose sum is σ = 1103063400. Its totient is φ = 1077170688.

The previous prime is 1090109099. The next prime is 1090109143. The reversal of 1090109113 is 3119010901.

It can be written as a sum of positive squares in 4 ways, for example, as 71031184 + 1019077929 = 8428^2 + 31923^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1090109113 - 2²⁹ = 553238201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1090109143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188773 + ... + 194461.

It is an arithmetic number, because the mean of its divisors is an integer number (137882925).

Almost surely, 2^1090109113 is an apocalyptic number.

It is an amenable number.

1090109113 is a deficient number, since it is larger than the sum of its proper divisors (12954287).

1090109113 is an equidigital number, since it uses as much as digits as its factorization.

1090109113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7931.

The product of its (nonzero) digits is 243, while the sum is 25.

The square root of 1090109113 is about 33016.8004658235. The cubic root of 1090109113 is about 1029.1768057382.

The spelling of 1090109113 in words is "one billion, ninety million, one hundred nine thousand, one hundred thirteen".