1335728816 has 10 divisors (see below), whose sum is σ = 2587974612. Its totient is φ = 667864400.

The previous prime is 1335728809. The next prime is 1335728831. The reversal of 1335728816 is 6188275331.

It is a happy number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 41741510 + ... + 41741541.

Almost surely, 2^1335728816 is an apocalyptic number.

1335728816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1335728816 is a deficient number, since it is larger than the sum of its proper divisors (1252245796).

1335728816 is an equidigital number, since it uses as much as digits as its factorization.

1335728816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83483059 (or 83483053 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 1335728816 is about 36547.6239446561. The cubic root of 1335728816 is about 1101.3011644083.

The spelling of 1335728816 in words is "one billion, three hundred thirty-five million, seven hundred twenty-eight thousand, eight hundred sixteen".