183313980 has 36 divisors (see below), whose sum is σ = 556052952. Its totient is φ = 48883680.

The previous prime is 183313973. The next prime is 183313981. The reversal of 183313980 is 89313381.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (183313981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 509026 + ... + 509385.

Almost surely, 2^183313980 is an apocalyptic number.

183313980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

183313980 is an abundant number, since it is smaller than the sum of its proper divisors (372738972).

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

183313980 is a wasteful number, since it uses less digits than its factorization.

183313980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018426 (or 1018421 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 183313980 is about 13539.3493196682. The cubic root of 183313980 is about 568.0656498542.

The spelling of 183313980 in words is "one hundred eighty-three million, three hundred thirteen thousand, nine hundred eighty".