7137135253 has 2 divisors, whose sum is σ = 7137135254. Its totient is φ = 7137135252.

The previous prime is 7137135251. The next prime is 7137135289. The reversal of 7137135253 is 3525317317.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6712033329 + 425101924 = 81927^2 + 20618^2 .

It is a cyclic number.

It is not a de Polignac number, because 7137135253 - 2¹ = 7137135251 is a prime.

Together with 7137135251, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7137135251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3568567626 + 3568567627.

It is an arithmetic number, because the mean of its divisors is an integer number (3568567627).

Almost surely, 2^7137135253 is an apocalyptic number.

It is an amenable number.

7137135253 is a deficient number, since it is larger than the sum of its proper divisors (1).

7137135253 is an equidigital number, since it uses as much as digits as its factorization.

7137135253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 66150, while the sum is 37.

The square root of 7137135253 is about 84481.5675339893. The cubic root of 7137135253 is about 1925.3424029595.

The spelling of 7137135253 in words is "seven billion, one hundred thirty-seven million, one hundred thirty-five thousand, two hundred fifty-three".