2183120154 has 32 divisors (see below), whose sum is σ = 4852943040. Its totient is φ = 727472016.

The previous prime is 2183120143. The next prime is 2183120227. The reversal of 2183120154 is 4510213812.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

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, 270177 + ... + 278139.

It is an arithmetic number, because the mean of its divisors is an integer number (151654470).

Almost surely, 2^2183120154 is an apocalyptic number.

2183120154 is an abundant number, since it is smaller than the sum of its proper divisors (2669822886).

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

2183120154 is a wasteful number, since it uses less digits than its factorization.

2183120154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13051 (or 13045 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 2183120154 is about 46723.8713507346. The cubic root of 2183120154 is about 1297.2565723286.

Adding to 2183120154 its reverse (4510213812), we get a palindrome (6693333966).

The spelling of 2183120154 in words is "two billion, one hundred eighty-three million, one hundred twenty thousand, one hundred fifty-four".