1136091227 has 4 divisors (see below), whose sum is σ = 1139012160. Its totient is φ = 1133170296.

The previous prime is 1136091223. The next prime is 1136091251. The reversal of 1136091227 is 7221906311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7221906311 = 797 ⋅9061363.

It is a cyclic number.

It is not a de Polignac number, because 1136091227 - 2² = 1136091223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1136091193 and 1136091202.

It is not an unprimeable number, because it can be changed into a prime (1136091223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1459883 + ... + 1460660.

It is an arithmetic number, because the mean of its divisors is an integer number (284753040).

Almost surely, 2^1136091227 is an apocalyptic number.

1136091227 is a deficient number, since it is larger than the sum of its proper divisors (2920933).

1136091227 is an equidigital number, since it uses as much as digits as its factorization.

1136091227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920932.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 1136091227 is about 33705.9523971657. The cubic root of 1136091227 is about 1043.4486192996.

Adding to 1136091227 its reverse (7221906311), we get a palindrome (8357997538).

The spelling of 1136091227 in words is "one billion, one hundred thirty-six million, ninety-one thousand, two hundred twenty-seven".