1806736113 has 48 divisors (see below), whose sum is σ = 3217084416. Its totient is φ = 951488640.

The previous prime is 1806736109. The next prime is 1806736157. The reversal of 1806736113 is 3116376081.

It is not a de Polignac number, because 1806736113 - 2² = 1806736109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1806736103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 671056 + ... + 673742.

It is an arithmetic number, because the mean of its divisors is an integer number (67022592).

Almost surely, 2^1806736113 is an apocalyptic number.

1806736113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1806736113 is a deficient number, since it is larger than the sum of its proper divisors (1410348303).

1806736113 is a wasteful number, since it uses less digits than its factorization.

1806736113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534 (or 3531 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1806736113 is about 42505.7185917377. The cubic root of 1806736113 is about 1217.9559323845.

The spelling of 1806736113 in words is "one billion, eight hundred six million, seven hundred thirty-six thousand, one hundred thirteen".