1813685114 has 8 divisors (see below), whose sum is σ = 2814339060. Its totient is φ = 875572096.

The previous prime is 1813685063. The next prime is 1813685161. The reversal of 1813685114 is 4115863181.

It can be written as a sum of positive squares in 2 ways, for example, as 1770978889 + 42706225 = 42083^2 + 6535^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15635159 + ... + 15635274.

Almost surely, 2^1813685114 is an apocalyptic number.

1813685114 is a deficient number, since it is larger than the sum of its proper divisors (1000653946).

1813685114 is a wasteful number, since it uses less digits than its factorization.

1813685114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31270464.

The product of its digits is 23040, while the sum is 38.

The square root of 1813685114 is about 42587.3820984573. The cubic root of 1813685114 is about 1219.5154202906.

The spelling of 1813685114 in words is "one billion, eight hundred thirteen million, six hundred eighty-five thousand, one hundred fourteen".