1813682056 has 8 divisors (see below), whose sum is σ = 3400653870. Its totient is φ = 906841024.

The previous prime is 1813682029. The next prime is 1813682093. The reversal of 1813682056 is 6502863181.

It can be written as a sum of positive squares in only one way, i.e., 1495059556 + 318622500 = 38666^2 + 17850^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113355121 + ... + 113355136.

Almost surely, 2^1813682056 is an apocalyptic number.

It is an amenable number.

1813682056 is a deficient number, since it is larger than the sum of its proper divisors (1586971814).

1813682056 is a wasteful number, since it uses less digits than its factorization.

1813682056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226710263 (or 226710259 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 1813682056 is about 42587.3461957892. The cubic root of 1813682056 is about 1219.5147348941.

The spelling of 1813682056 in words is "one billion, eight hundred thirteen million, six hundred eighty-two thousand, fifty-six".