2143253135 has 16 divisors (see below), whose sum is σ = 2584213632. Its totient is φ = 1706416800.

The previous prime is 2143253131. The next prime is 2143253159. The reversal of 2143253135 is 5313523412.

It is a happy number.

It is not a de Polignac number, because 2143253135 - 2² = 2143253131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2143253098 and 2143253107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143253131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1805012 + ... + 1806198.

It is an arithmetic number, because the mean of its divisors is an integer number (161513352).

Almost surely, 2^2143253135 is an apocalyptic number.

2143253135 is a deficient number, since it is larger than the sum of its proper divisors (440960497).

2143253135 is a wasteful number, since it uses less digits than its factorization.

2143253135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614.

The product of its digits is 10800, while the sum is 29.

The square root of 2143253135 is about 46295.2819950370. The cubic root of 2143253135 is about 1289.3113996127.

Adding to 2143253135 its reverse (5313523412), we get a palindrome (7456776547).

The spelling of 2143253135 in words is "two billion, one hundred forty-three million, two hundred fifty-three thousand, one hundred thirty-five".