2135113237 has 2 divisors, whose sum is σ = 2135113238. Its totient is φ = 2135113236.

The previous prime is 2135113219. The next prime is 2135113289. The reversal of 2135113237 is 7323115312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2056985316 + 78127921 = 45354^2 + 8839^2 .

It is a cyclic number.

It is not a de Polignac number, because 2135113237 - 2¹¹ = 2135111189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2135113217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067556618 + 1067556619.

It is an arithmetic number, because the mean of its divisors is an integer number (1067556619).

Almost surely, 2^2135113237 is an apocalyptic number.

It is an amenable number.

2135113237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2135113237 is an equidigital number, since it uses as much as digits as its factorization.

2135113237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 28.

The square root of 2135113237 is about 46207.2855402695. The cubic root of 2135113237 is about 1287.6770962224.

Adding to 2135113237 its reverse (7323115312), we get a palindrome (9458228549).

The spelling of 2135113237 in words is "two billion, one hundred thirty-five million, one hundred thirteen thousand, two hundred thirty-seven".