1361868884 has 24 divisors (see below), whose sum is σ = 2489410560. Its totient is φ = 651065184.

The previous prime is 1361868869. The next prime is 1361868889. The reversal of 1361868884 is 4888681631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361868889) 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, 45044 + ... + 68939.

It is an arithmetic number, because the mean of its divisors is an integer number (103725440).

Almost surely, 2^1361868884 is an apocalyptic number.

It is an amenable number.

1361868884 is a deficient number, since it is larger than the sum of its proper divisors (1127541676).

1361868884 is a wasteful number, since it uses less digits than its factorization.

1361868884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114119 (or 114117 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 53.

The square root of 1361868884 is about 36903.5077465544. The cubic root of 1361868884 is about 1108.4389180183.

The spelling of 1361868884 in words is "one billion, three hundred sixty-one million, eight hundred sixty-eight thousand, eight hundred eighty-four".