1136536493 has 2 divisors, whose sum is σ = 1136536494. Its totient is φ = 1136536492.

The previous prime is 1136536459. The next prime is 1136536517. The reversal of 1136536493 is 3946356311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1026433444 + 110103049 = 32038^2 + 10493^2 .

It is an emirp because it is prime and its reverse (3946356311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1136536493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1136536493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1136536993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568268246 + 568268247.

It is an arithmetic number, because the mean of its divisors is an integer number (568268247).

Almost surely, 2^1136536493 is an apocalyptic number.

It is an amenable number.

1136536493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1136536493 is an equidigital number, since it uses as much as digits as its factorization.

1136536493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 41.

The square root of 1136536493 is about 33712.5569039193. The cubic root of 1136536493 is about 1043.5849204161.

The spelling of 1136536493 in words is "one billion, one hundred thirty-six million, five hundred thirty-six thousand, four hundred ninety-three".