1361023116 has 12 divisors (see below), whose sum is σ = 3175720632. Its totient is φ = 453674368.

The previous prime is 1361023073. The next prime is 1361023117. The reversal of 1361023116 is 6113201631.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1361023117) 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 3 ways as a sum of consecutive naturals, for example, 56709285 + ... + 56709308.

It is an arithmetic number, because the mean of its divisors is an integer number (264643386).

Almost surely, 2^1361023116 is an apocalyptic number.

It is an amenable number.

1361023116 is an abundant number, since it is smaller than the sum of its proper divisors (1814697516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1361023116 is a wasteful number, since it uses less digits than its factorization.

1361023116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113418600 (or 113418598 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1361023116 is about 36892.0467851812. The cubic root of 1361023116 is about 1108.2094107790.

Adding to 1361023116 its reverse (6113201631), we get a palindrome (7474224747).

The spelling of 1361023116 in words is "one billion, three hundred sixty-one million, twenty-three thousand, one hundred sixteen".