1361375984 has 40 divisors (see below), whose sum is σ = 2661579648. Its totient is φ = 674544320.

The previous prime is 1361375947. The next prime is 1361375989. The reversal of 1361375984 is 4895731631.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361375989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1247279 + ... + 1248369.

Almost surely, 2^1361375984 is an apocalyptic number.

It is an amenable number.

1361375984 is a deficient number, since it is larger than the sum of its proper divisors (1300203664).

1361375984 is a wasteful number, since it uses less digits than its factorization.

1361375984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733 (or 1727 counting only the distinct ones).

The product of its digits is 544320, while the sum is 47.

The square root of 1361375984 is about 36896.8289152334. The cubic root of 1361375984 is about 1108.3051764431.

The spelling of 1361375984 in words is "one billion, three hundred sixty-one million, three hundred seventy-five thousand, nine hundred eighty-four".