1328543734 has 16 divisors (see below), whose sum is σ = 2292013728. Its totient is φ = 565748352.

The previous prime is 1328543731. The next prime is 1328543759. The reversal of 1328543734 is 4373458231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328543731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300019 + ... + 304414.

It is an arithmetic number, because the mean of its divisors is an integer number (143250858).

Almost surely, 2^1328543734 is an apocalyptic number.

1328543734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1328543734 is a deficient number, since it is larger than the sum of its proper divisors (963469994).

1328543734 is a wasteful number, since it uses less digits than its factorization.

1328543734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604599.

The product of its digits is 241920, while the sum is 40.

The square root of 1328543734 is about 36449.1938731160. The cubic root of 1328543734 is about 1099.3229260315.

The spelling of 1328543734 in words is "one billion, three hundred twenty-eight million, five hundred forty-three thousand, seven hundred thirty-four".