1328456814 has 8 divisors (see below), whose sum is σ = 2656913640. Its totient is φ = 442818936.

The previous prime is 1328456813. The next prime is 1328456827. The reversal of 1328456814 is 4186548231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1328456814 is an admirable number.

It is a super-3 number, since 3×1328456814³ (a number of 28 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328456813) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 110704729 + ... + 110704740.

It is an arithmetic number, because the mean of its divisors is an integer number (332114205).

Almost surely, 2^1328456814 is an apocalyptic number.

1328456814 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1328456814 is a wasteful number, since it uses less digits than its factorization.

1328456814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221409474.

The product of its digits is 184320, while the sum is 42.

The square root of 1328456814 is about 36448.0015089991. The cubic root of 1328456814 is about 1099.2989511006.

The spelling of 1328456814 in words is "one billion, three hundred twenty-eight million, four hundred fifty-six thousand, eight hundred fourteen".