2143011137 has 2 divisors, whose sum is σ = 2143011138. Its totient is φ = 2143011136.

The previous prime is 2143011089. The next prime is 2143011139. The reversal of 2143011137 is 7311103412.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1915725361 + 227285776 = 43769^2 + 15076^2 .

It is a cyclic number.

It is not a de Polignac number, because 2143011137 - 2¹⁰ = 2143010113 is a prime.

Together with 2143011139, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2143011139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071505568 + 1071505569.

It is an arithmetic number, because the mean of its divisors is an integer number (1071505569).

Almost surely, 2^2143011137 is an apocalyptic number.

It is an amenable number.

2143011137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143011137 is an equidigital number, since it uses as much as digits as its factorization.

2143011137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2143011137 is about 46292.6682855936. The cubic root of 2143011137 is about 1289.2628717434.

Adding to 2143011137 its reverse (7311103412), we get a palindrome (9454114549).

The spelling of 2143011137 in words is "two billion, one hundred forty-three million, eleven thousand, one hundred thirty-seven".