1083613091 has 16 divisors (see below), whose sum is σ = 1223589888. Its totient is φ = 950721600.

The previous prime is 1083613087. The next prime is 1083613103. The reversal of 1083613091 is 1903163801.

It is a cyclic number.

It is not a de Polignac number, because 1083613091 - 2² = 1083613087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1083613051) 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, 126455 + ... + 134751.

It is an arithmetic number, because the mean of its divisors is an integer number (76474368).

Almost surely, 2^1083613091 is an apocalyptic number.

1083613091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1083613091 is a deficient number, since it is larger than the sum of its proper divisors (139976797).

1083613091 is a wasteful number, since it uses less digits than its factorization.

1083613091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8722.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 1083613091 is about 32918.2789799224. The cubic root of 1083613091 is about 1027.1284238839.

Adding to 1083613091 its reverse (1903163801), we get a palindrome (2986776892).

The spelling of 1083613091 in words is "one billion, eighty-three million, six hundred thirteen thousand, ninety-one".