1363305640 has 32 divisors (see below), whose sum is σ = 3068513280. Its totient is φ = 545131072.

The previous prime is 1363305623. The next prime is 1363305659. The reversal of 1363305640 is 465033631.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184497 + ... + 191743.

It is an arithmetic number, because the mean of its divisors is an integer number (95891040).

Almost surely, 2^1363305640 is an apocalyptic number.

1363305640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1363305640 is an abundant number, since it is smaller than the sum of its proper divisors (1705207640).

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

1363305640 is a wasteful number, since it uses less digits than its factorization.

1363305640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11961 (or 11957 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 1363305640 is about 36922.9690030474. The cubic root of 1363305640 is about 1108.8285777890.

The spelling of 1363305640 in words is "one billion, three hundred sixty-three million, three hundred five thousand, six hundred forty".