1133581745 has 4 divisors (see below), whose sum is σ = 1360298100. Its totient is φ = 906865392.

The previous prime is 1133581739. The next prime is 1133581751. The reversal of 1133581745 is 5471853311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5471853311 = 2879 ⋅1900609.

It is an interprime number because it is at equal distance from previous prime (1133581739) and next prime (1133581751).

It can be written as a sum of positive squares in 2 ways, for example, as 640697344 + 492884401 = 25312^2 + 22201^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133581745 - 2¹² = 1133577649 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1133581699 and 1133581708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113358170 + ... + 113358179.

It is an arithmetic number, because the mean of its divisors is an integer number (340074525).

Almost surely, 2^1133581745 is an apocalyptic number.

It is an amenable number.

1133581745 is a deficient number, since it is larger than the sum of its proper divisors (226716355).

1133581745 is an equidigital number, since it uses as much as digits as its factorization.

1133581745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226716354.

The product of its digits is 50400, while the sum is 38.

The square root of 1133581745 is about 33668.7057220797. The cubic root of 1133581745 is about 1042.6797708641.

The spelling of 1133581745 in words is "one billion, one hundred thirty-three million, five hundred eighty-one thousand, seven hundred forty-five".