1361307984 has 40 divisors (see below), whose sum is σ = 3543573792. Its totient is φ = 450303360.

The previous prime is 1361307977. The next prime is 1361308043. The reversal of 1361307984 is 4897031631.

It is a congruent number.

It is an unprimeable number.

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, 101959 + ... + 114534.

Almost surely, 2^1361307984 is an apocalyptic number.

It is an amenable number.

1361307984 is an abundant number, since it is smaller than the sum of its proper divisors (2182265808).

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

1361307984 is a wasteful number, since it uses less digits than its factorization.

1361307984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216635 (or 216629 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 1361307984 is about 36895.9074153218. The cubic root of 1361307984 is about 1108.2867230529.

The spelling of 1361307984 in words is "one billion, three hundred sixty-one million, three hundred seven thousand, nine hundred eighty-four".