2135251453133 has 2 divisors, whose sum is σ = 2135251453134. Its totient is φ = 2135251453132.

The previous prime is 2135251453057. The next prime is 2135251453193. The reversal of 2135251453133 is 3313541525312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2134412887369 + 838565764 = 1460963^2 + 28958^2 .

It is a cyclic number.

It is not a de Polignac number, because 2135251453133 - 2³⁴ = 2118071583949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2135251453193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067625726566 + 1067625726567.

It is an arithmetic number, because the mean of its divisors is an integer number (1067625726567).

Almost surely, 2^{2135251453133} is an apocalyptic number.

It is an amenable number.

2135251453133 is a deficient number, since it is larger than the sum of its proper divisors (1).

2135251453133 is an equidigital number, since it uses as much as digits as its factorization.

2135251453133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 162000, while the sum is 38.

Adding to 2135251453133 its reverse (3313541525312), we get a palindrome (5448792978445).

The spelling of 2135251453133 in words is "two trillion, one hundred thirty-five billion, two hundred fifty-one million, four hundred fifty-three thousand, one hundred thirty-three".