1383720364 has 12 divisors (see below), whose sum is σ = 2607780784. Its totient is φ = 638640144.

The previous prime is 1383720311. The next prime is 1383720367. The reversal of 1383720364 is 4630273831.

It is not an unprimeable number, because it can be changed into a prime (1383720367) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 13304952 + ... + 13305055.

Almost surely, 2^1383720364 is an apocalyptic number.

It is an amenable number.

1383720364 is a deficient number, since it is larger than the sum of its proper divisors (1224060420).

1383720364 is a wasteful number, since it uses less digits than its factorization.

1383720364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26610024 (or 26610022 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 1383720364 is about 37198.3919544918. The cubic root of 1383720364 is about 1114.3358707989.

The spelling of 1383720364 in words is "one billion, three hundred eighty-three million, seven hundred twenty thousand, three hundred sixty-four".