1133445869 has 4 divisors (see below), whose sum is σ = 1133590560. Its totient is φ = 1133301180.

The previous prime is 1133445857. The next prime is 1133445877. The reversal of 1133445869 is 9685443311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9685443311 = 7411 ⋅1306901.

It is a cyclic number.

It is not a de Polignac number, because 1133445869 - 2²⁸ = 865010413 is a prime.

It is a super-2 number, since 2×1133445869² = 2569399075906330322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133445809) 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, 59879 + ... + 76500.

It is an arithmetic number, because the mean of its divisors is an integer number (283397640).

Almost surely, 2^1133445869 is an apocalyptic number.

It is an amenable number.

1133445869 is a deficient number, since it is larger than the sum of its proper divisors (144691).

1133445869 is an equidigital number, since it uses as much as digits as its factorization.

1133445869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144690.

The product of its digits is 311040, while the sum is 44.

The square root of 1133445869 is about 33666.6878234257. The cubic root of 1133445869 is about 1042.6381091671.

The spelling of 1133445869 in words is "one billion, one hundred thirty-three million, four hundred forty-five thousand, eight hundred sixty-nine".