1136342221 has 16 divisors (see below), whose sum is σ = 1323129600. Its totient is φ = 955745280.

The previous prime is 1136342219. The next prime is 1136342243. The reversal of 1136342221 is 1222436311.

It is not a de Polignac number, because 1136342221 - 2¹ = 1136342219 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 (1136342021) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 188760 + ... + 194686.

It is an arithmetic number, because the mean of its divisors is an integer number (82695600).

Almost surely, 2^1136342221 is an apocalyptic number.

It is an amenable number.

1136342221 is a deficient number, since it is larger than the sum of its proper divisors (186787379).

1136342221 is an equidigital number, since it uses as much as digits as its factorization.

1136342221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6444.

The product of its digits is 1728, while the sum is 25.

The square root of 1136342221 is about 33709.6754804908. The cubic root of 1136342221 is about 1043.5254558693.

Adding to 1136342221 its reverse (1222436311), we get a palindrome (2358778532).

The spelling of 1136342221 in words is "one billion, one hundred thirty-six million, three hundred forty-two thousand, two hundred twenty-one".