1366483720 has 64 divisors (see below), whose sum is σ = 3627187200. Its totient is φ = 453392640.

The previous prime is 1366483691. The next prime is 1366483759. The reversal of 1366483720 is 273846631.

It is a Harshad number since it is a multiple of its sum of digits (40).

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 15 ways as a sum of consecutive naturals, for example, 70035 + ... + 87394.

It is an arithmetic number, because the mean of its divisors is an integer number (56674800).

Almost surely, 2^1366483720 is an apocalyptic number.

1366483720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1366483720 is an abundant number, since it is smaller than the sum of its proper divisors (2260703480).

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

1366483720 is a wasteful number, since it uses less digits than its factorization.

1366483720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157478 (or 157474 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 1366483720 is about 36965.9805767411. The cubic root of 1366483720 is about 1109.6895271054.

The spelling of 1366483720 in words is "one billion, three hundred sixty-six million, four hundred eighty-three thousand, seven hundred twenty".