1361133223 has 8 divisors (see below), whose sum is σ = 1402959888. Its totient is φ = 1319769024.

The previous prime is 1361133217. The next prime is 1361133259. The reversal of 1361133223 is 3223311631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1361133223 - 2²⁹ = 824262311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361130223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109636 + ... + 121417.

It is an arithmetic number, because the mean of its divisors is an integer number (175369986).

Almost surely, 2^1361133223 is an apocalyptic number.

1361133223 is a deficient number, since it is larger than the sum of its proper divisors (41826665).

1361133223 is a wasteful number, since it uses less digits than its factorization.

1361133223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231233.

The product of its digits is 1944, while the sum is 25.

The square root of 1361133223 is about 36893.5390414094. The cubic root of 1361133223 is about 1108.2392947493.

Adding to 1361133223 its reverse (3223311631), we get a palindrome (4584444854).

The spelling of 1361133223 in words is "one billion, three hundred sixty-one million, one hundred thirty-three thousand, two hundred twenty-three".