2105134051 has 4 divisors (see below), whose sum is σ = 2215930600. Its totient is φ = 1994337504.

The previous prime is 2105134039. The next prime is 2105134091. The reversal of 2105134051 is 1504315012.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2105134051 - 2⁹ = 2105133539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2105134091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55398246 + ... + 55398283.

It is an arithmetic number, because the mean of its divisors is an integer number (553982650).

Almost surely, 2^2105134051 is an apocalyptic number.

2105134051 is a deficient number, since it is larger than the sum of its proper divisors (110796549).

2105134051 is a wasteful number, since it uses less digits than its factorization.

2105134051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110796548.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 2105134051 is about 45881.7398427741. The cubic root of 2105134051 is about 1281.6218964496.

Adding to 2105134051 its reverse (1504315012), we get a palindrome (3609449063).

The spelling of 2105134051 in words is "two billion, one hundred five million, one hundred thirty-four thousand, fifty-one".