2184270142 has 4 divisors (see below), whose sum is σ = 3276405216. Its totient is φ = 1092135070.

The previous prime is 2184270139. The next prime is 2184270167. The reversal of 2184270142 is 2410724812.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 546067534 + ... + 546067537.

It is an arithmetic number, because the mean of its divisors is an integer number (819101304).

Almost surely, 2^2184270142 is an apocalyptic number.

2184270142 is a deficient number, since it is larger than the sum of its proper divisors (1092135074).

2184270142 is a wasteful number, since it uses less digits than its factorization.

2184270142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092135073.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 2184270142 is about 46736.1759454066. The cubic root of 2184270142 is about 1297.4843148127.

Adding to 2184270142 its reverse (2410724812), we get a palindrome (4594994954).

The spelling of 2184270142 in words is "two billion, one hundred eighty-four million, two hundred seventy thousand, one hundred forty-two".