183112840 has 16 divisors (see below), whose sum is σ = 412003980. Its totient is φ = 73245120.

The previous prime is 183112819. The next prime is 183112849. The reversal of 183112840 is 48211381.

It can be written as a sum of positive squares in 2 ways, for example, as 167288356 + 15824484 = 12934^2 + 3978^2 .

It is a junction number, because it is equal to n+sod(n) for n = 183112799 and 183112808.

It is not an unprimeable number, because it can be changed into a prime (183112849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2288871 + ... + 2288950.

Almost surely, 2^183112840 is an apocalyptic number.

183112840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

183112840 is an abundant number, since it is smaller than the sum of its proper divisors (228891140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

183112840 is a wasteful number, since it uses less digits than its factorization.

183112840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4577832 (or 4577828 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 183112840 is about 13531.9193021537. The cubic root of 183112840 is about 567.8578051117.

The spelling of 183112840 in words is "one hundred eighty-three million, one hundred twelve thousand, eight hundred forty".