1136638253 has 2 divisors, whose sum is σ = 1136638254. Its totient is φ = 1136638252.

The previous prime is 1136638247. The next prime is 1136638277. The reversal of 1136638253 is 3528366311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 582836164 + 553802089 = 24142^2 + 23533^2 .

It is an emirp because it is prime and its reverse (3528366311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1136638253 - 2¹⁴ = 1136621869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1136638453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568319126 + 568319127.

It is an arithmetic number, because the mean of its divisors is an integer number (568319127).

Almost surely, 2^1136638253 is an apocalyptic number.

It is an amenable number.

1136638253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1136638253 is an equidigital number, since it uses as much as digits as its factorization.

1136638253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 1136638253 is about 33714.0661000716. The cubic root of 1136638253 is about 1043.6160653413.

It can be divided in two parts, 113 and 6638253, that added together give a palindrome (6638366).

The spelling of 1136638253 in words is "one billion, one hundred thirty-six million, six hundred thirty-eight thousand, two hundred fifty-three".