1136353221 has 6 divisors (see below), whose sum is σ = 1641399110. Its totient is φ = 757568808.

The previous prime is 1136353193. The next prime is 1136353241. The reversal of 1136353221 is 1223536311.

1136353221 is a `hidden beast` number, since 1 + 1 + 3 + 635 + 3 + 2 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1056965121 + 79388100 = 32511^2 + 8910^2 .

It is not a de Polignac number, because 1136353221 - 2⁷ = 1136353093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1136353241) 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 in 5 ways as a sum of consecutive naturals, for example, 63130726 + ... + 63130743.

Almost surely, 2^1136353221 is an apocalyptic number.

It is an amenable number.

1136353221 is a deficient number, since it is larger than the sum of its proper divisors (505045889).

1136353221 is a wasteful number, since it uses less digits than its factorization.

1136353221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126261475 (or 126261472 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 1136353221 is about 33709.8386380000. The cubic root of 1136353221 is about 1043.5288230307.

Adding to 1136353221 its reverse (1223536311), we get a palindrome (2359889532).

The spelling of 1136353221 in words is "one billion, one hundred thirty-six million, three hundred fifty-three thousand, two hundred twenty-one".