1383321536 has 14 divisors (see below), whose sum is σ = 2745028800. Its totient is φ = 691660736.

The previous prime is 1383321529. The next prime is 1383321539. The reversal of 1383321536 is 6351233831.

It is a happy number.

It is a super-2 number, since 2×1383321536² = 3827156943922798592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1383321496 and 1383321505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383321539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10807136 + ... + 10807263.

Almost surely, 2^1383321536 is an apocalyptic number.

1383321536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1383321536 is a deficient number, since it is larger than the sum of its proper divisors (1361707264).

1383321536 is an equidigital number, since it uses as much as digits as its factorization.

1383321536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21614411 (or 21614401 counting only the distinct ones).

The product of its digits is 38880, while the sum is 35.

The square root of 1383321536 is about 37193.0307450200. The cubic root of 1383321536 is about 1114.2287992970.

The spelling of 1383321536 in words is "one billion, three hundred eighty-three million, three hundred twenty-one thousand, five hundred thirty-six".