1136221652 has 6 divisors (see below), whose sum is σ = 1988387898. Its totient is φ = 568110824.

The previous prime is 1136221649. The next prime is 1136221661. The reversal of 1136221652 is 2561226311.

It can be written as a sum of positive squares in only one way, i.e., 1072955536 + 63266116 = 32756^2 + 7954^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142027703 + ... + 142027710.

It is an arithmetic number, because the mean of its divisors is an integer number (331397983).

Almost surely, 2^1136221652 is an apocalyptic number.

It is an amenable number.

1136221652 is a deficient number, since it is larger than the sum of its proper divisors (852166246).

1136221652 is a wasteful number, since it uses less digits than its factorization.

1136221652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284055417 (or 284055415 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 1136221652 is about 33707.8870889292. The cubic root of 1136221652 is about 1043.4885476010.

Adding to 1136221652 its reverse (2561226311), we get a palindrome (3697447963).

The spelling of 1136221652 in words is "one billion, one hundred thirty-six million, two hundred twenty-one thousand, six hundred fifty-two".