1361868732 has 72 divisors (see below), whose sum is σ = 4105360896. Its totient is φ = 372186144.

The previous prime is 1361868707. The next prime is 1361868743. The reversal of 1361868732 is 2378681631.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111688 + ... + 123279.

Almost surely, 2^1361868732 is an apocalyptic number.

1361868732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1361868732 is an abundant number, since it is smaller than the sum of its proper divisors (2743492164).

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

1361868732 is a wasteful number, since it uses less digits than its factorization.

1361868732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235007 (or 235002 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 1361868732 is about 36903.5056871295. The cubic root of 1361868732 is about 1108.4388767802.

The spelling of 1361868732 in words is "one billion, three hundred sixty-one million, eight hundred sixty-eight thousand, seven hundred thirty-two".