1383913452 has 18 divisors (see below), whose sum is σ = 3229432108. Its totient is φ = 461261528.

The previous prime is 1383913417. The next prime is 1383913463. The reversal of 1383913452 is 2543193831.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1383913452.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123499 + ... + 134237.

Almost surely, 2^1383913452 is an apocalyptic number.

1383913452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1383913452 is an abundant number, since it is smaller than the sum of its proper divisors (1845518656).

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

1383913452 is an frugal number, since it uses more digits than its factorization.

1383913452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21485 (or 10744 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 1383913452 is about 37200.9872449643. The cubic root of 1383913452 is about 1114.3877008465.

The spelling of 1383913452 in words is "one billion, three hundred eighty-three million, nine hundred thirteen thousand, four hundred fifty-two".