1131136226 has 16 divisors (see below), whose sum is σ = 1855260288. Its totient is φ = 512955600.

The previous prime is 1131136211. The next prime is 1131136243. The reversal of 1131136226 is 6226311311.

It is a junction number, because it is equal to n+sod(n) for n = 1131136195 and 1131136204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50165 + ... + 69128.

It is an arithmetic number, because the mean of its divisors is an integer number (115953768).

Almost surely, 2^1131136226 is an apocalyptic number.

1131136226 is a deficient number, since it is larger than the sum of its proper divisors (724124062).

1131136226 is a wasteful number, since it uses less digits than its factorization.

1131136226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119737.

The product of its digits is 1296, while the sum is 26.

The square root of 1131136226 is about 33632.3687241919. The cubic root of 1131136226 is about 1041.9294267849.

Adding to 1131136226 its reverse (6226311311), we get a palindrome (7357447537).

The spelling of 1131136226 in words is "one billion, one hundred thirty-one million, one hundred thirty-six thousand, two hundred twenty-six".