1328613143 has 16 divisors (see below), whose sum is σ = 1566867456. Its totient is φ = 1110649440.

The previous prime is 1328613137. The next prime is 1328613151. The reversal of 1328613143 is 3413168231.

It is a cyclic number.

It is not a de Polignac number, because 1328613143 - 2⁴ = 1328613127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328613173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19946 + ... + 55272.

It is an arithmetic number, because the mean of its divisors is an integer number (97929216).

Almost surely, 2^1328613143 is an apocalyptic number.

1328613143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1328613143 is a deficient number, since it is larger than the sum of its proper divisors (238254313).

1328613143 is a wasteful number, since it uses less digits than its factorization.

1328613143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35614.

The product of its digits is 10368, while the sum is 32.

The square root of 1328613143 is about 36450.1459942207. The cubic root of 1328613143 is about 1099.3420701952.

The spelling of 1328613143 in words is "one billion, three hundred twenty-eight million, six hundred thirteen thousand, one hundred forty-three".