83183140 has 48 divisors (see below), whose sum is σ = 184665600. Its totient is φ = 31387392.

The previous prime is 83183123. The next prime is 83183171. The reversal of 83183140 is 4138138.

It is a junction number, because it is equal to n+sod(n) for n = 83183099 and 83183108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173421 + ... + 173899.

It is an arithmetic number, because the mean of its divisors is an integer number (3847200).

Almost surely, 2^83183140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83183140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92332800).

83183140 is an abundant number, since it is smaller than the sum of its proper divisors (101482460).

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

83183140 is a wasteful number, since it uses less digits than its factorization.

83183140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964 (or 962 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 83183140 is about 9120.4791540796. The cubic root of 83183140 is about 436.5276626362.

The spelling of 83183140 in words is "eighty-three million, one hundred eighty-three thousand, one hundred forty".