1329539552 has 24 divisors (see below), whose sum is σ = 2855489112. Its totient is φ = 604336000.

The previous prime is 1329539551. The next prime is 1329539557. The reversal of 1329539552 is 2559359231.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1329539551) 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, 1888199 + ... + 1888902.

It is an arithmetic number, because the mean of its divisors is an integer number (118978713).

Almost surely, 2^1329539552 is an apocalyptic number.

It is an amenable number.

1329539552 is an abundant number, since it is smaller than the sum of its proper divisors (1525949560).

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

1329539552 is a wasteful number, since it uses less digits than its factorization.

1329539552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3777122 (or 3777114 counting only the distinct ones).

The product of its digits is 364500, while the sum is 44.

The square root of 1329539552 is about 36462.8516712558. The cubic root of 1329539552 is about 1099.5975254855.

The spelling of 1329539552 in words is "one billion, three hundred twenty-nine million, five hundred thirty-nine thousand, five hundred fifty-two".