1133445667 has 4 divisors (see below), whose sum is σ = 1142098056. Its totient is φ = 1124793280.

The previous prime is 1133445661. The next prime is 1133445671. The reversal of 1133445667 is 7665443311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7665443311 = 21611 ⋅354701.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133445667 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1133445661) 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, 4325998 + ... + 4326259.

It is an arithmetic number, because the mean of its divisors is an integer number (285524514).

Almost surely, 2^1133445667 is an apocalyptic number.

1133445667 is a deficient number, since it is larger than the sum of its proper divisors (8652389).

1133445667 is an equidigital number, since it uses as much as digits as its factorization.

1133445667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8652388.

The product of its digits is 181440, while the sum is 40.

The square root of 1133445667 is about 33666.6848234274. The cubic root of 1133445667 is about 1042.6380472283.

Adding to 1133445667 its reverse (7665443311), we get a palindrome (8798888978).

The spelling of 1133445667 in words is "one billion, one hundred thirty-three million, four hundred forty-five thousand, six hundred sixty-seven".