2105710142 has 8 divisors (see below), whose sum is σ = 3174438000. Its totient is φ = 1047564144.

The previous prime is 2105710141. The next prime is 2105710157. The reversal of 2105710142 is 2410175012.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105710141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2644967 + ... + 2645762.

It is an arithmetic number, because the mean of its divisors is an integer number (396804750).

Almost surely, 2^2105710142 is an apocalyptic number.

2105710142 is a deficient number, since it is larger than the sum of its proper divisors (1068727858).

2105710142 is a wasteful number, since it uses less digits than its factorization.

2105710142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5290930.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 2105710142 is about 45888.0174119563. The cubic root of 2105710142 is about 1281.7387953392.

Adding to 2105710142 its reverse (2410175012), we get a palindrome (4515885154).

The spelling of 2105710142 in words is "two billion, one hundred five million, seven hundred ten thousand, one hundred forty-two".