1329905002 has 8 divisors (see below), whose sum is σ = 2112202116. Its totient is φ = 625837632.

The previous prime is 1329904973. The next prime is 1329905009. The reversal of 1329905002 is 2005099231.

It can be written as a sum of positive squares in 2 ways, for example, as 1293193521 + 36711481 = 35961^2 + 6059^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1329905009) 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, 19557393 + ... + 19557460.

Almost surely, 2^1329905002 is an apocalyptic number.

1329905002 is a deficient number, since it is larger than the sum of its proper divisors (782297114).

1329905002 is a wasteful number, since it uses less digits than its factorization.

1329905002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39114872.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 1329905002 is about 36467.8625916025. The cubic root of 1329905002 is about 1099.6982648986.

The spelling of 1329905002 in words is "one billion, three hundred twenty-nine million, nine hundred five thousand, two".