1383481875 has 20 divisors (see below), whose sum is σ = 2305068392. Its totient is φ = 737856000.

The previous prime is 1383481849. The next prime is 1383481921. The reversal of 1383481875 is 5781843831.

It is a happy number.

It is not a de Polignac number, because 1383481875 - 2¹³ = 1383473683 is a prime.

It is a Duffinian 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 19 ways as a sum of consecutive naturals, for example, 367054 + ... + 370803.

Almost surely, 2^1383481875 is an apocalyptic number.

1383481875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1383481875 is a deficient number, since it is larger than the sum of its proper divisors (921586517).

1383481875 is an frugal number, since it uses more digits than its factorization.

1383481875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737880 (or 737865 counting only the distinct ones).

The product of its digits is 645120, while the sum is 48.

The square root of 1383481875 is about 37195.1861804723. The cubic root of 1383481875 is about 1114.2718472375.

The spelling of 1383481875 in words is "one billion, three hundred eighty-three million, four hundred eighty-one thousand, eight hundred seventy-five".