2138069137 has 2 divisors, whose sum is σ = 2138069138. Its totient is φ = 2138069136.

The previous prime is 2138069111. The next prime is 2138069149. The reversal of 2138069137 is 7319608312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2103506496 + 34562641 = 45864^2 + 5879^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2138069137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2138069137.

It is not a weakly prime, because it can be changed into another prime (2138069737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1069034568 + 1069034569.

It is an arithmetic number, because the mean of its divisors is an integer number (1069034569).

Almost surely, 2^2138069137 is an apocalyptic number.

It is an amenable number.

2138069137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2138069137 is an equidigital number, since it uses as much as digits as its factorization.

2138069137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 2138069137 is about 46239.2596934683. The cubic root of 2138069137 is about 1288.2710521663.

The spelling of 2138069137 in words is "two billion, one hundred thirty-eight million, sixty-nine thousand, one hundred thirty-seven".