1354228768 has 24 divisors (see below), whose sum is σ = 2666982780. Its totient is φ = 676899840.

The previous prime is 1354228751. The next prime is 1354228793. The reversal of 1354228768 is 8678224531.

It can be written as a sum of positive squares in 2 ways, for example, as 1132457104 + 221771664 = 33652^2 + 14892^2 .

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

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 3 ways as a sum of consecutive naturals, for example, 158428 + ... + 166756.

Almost surely, 2^1354228768 is an apocalyptic number.

It is an amenable number.

1354228768 is a deficient number, since it is larger than the sum of its proper divisors (1312754012).

1354228768 is an equidigital number, since it uses as much as digits as its factorization.

1354228768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13420 (or 13412 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The square root of 1354228768 is about 36799.8473909879. The cubic root of 1354228768 is about 1106.3622404210.

The spelling of 1354228768 in words is "one billion, three hundred fifty-four million, two hundred twenty-eight thousand, seven hundred sixty-eight".