1361333617 has 8 divisors (see below), whose sum is σ = 1556387712. Its totient is φ = 1166424000.

The previous prime is 1361333579. The next prime is 1361333627. The reversal of 1361333617 is 7163331631.

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

It is a de Polignac number, because none of the positive numbers 2^k-1361333617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361333627) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15109 + ... + 54322.

It is an arithmetic number, because the mean of its divisors is an integer number (194548464).

Almost surely, 2^1361333617 is an apocalyptic number.

It is an amenable number.

1361333617 is a deficient number, since it is larger than the sum of its proper divisors (195054095).

1361333617 is an equidigital number, since it uses as much as digits as its factorization.

1361333617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72239.

The product of its digits is 20412, while the sum is 34.

The square root of 1361333617 is about 36896.2547828367. The cubic root of 1361333617 is about 1108.2936792391.

The spelling of 1361333617 in words is "one billion, three hundred sixty-one million, three hundred thirty-three thousand, six hundred seventeen".