2185140183 has 8 divisors (see below), whose sum is σ = 3007504896. Its totient is φ = 1409767800.

The previous prime is 2185140179. The next prime is 2185140229. The reversal of 2185140183 is 3810415812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2185140183 - 2² = 2185140179 is a prime.

It is a super-2 number, since 2×2185140183² = 9549675238722546978, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2185140103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11747973 + ... + 11748158.

It is an arithmetic number, because the mean of its divisors is an integer number (375938112).

Almost surely, 2^2185140183 is an apocalyptic number.

2185140183 is a deficient number, since it is larger than the sum of its proper divisors (822364713).

2185140183 is a wasteful number, since it uses less digits than its factorization.

2185140183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23496165.

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 2185140183 is about 46745.4830224269. The cubic root of 2185140183 is about 1297.6565637604.

Adding to 2185140183 its reverse (3810415812), we get a palindrome (5995555995).

The spelling of 2185140183 in words is "two billion, one hundred eighty-five million, one hundred forty thousand, one hundred eighty-three".