1329136659 has 36 divisors (see below), whose sum is σ = 2034256536. Its totient is φ = 836132544.

The previous prime is 1329136657. The next prime is 1329136663. The reversal of 1329136659 is 9566319231.

It is not a de Polignac number, because 1329136659 - 2¹ = 1329136657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1329136657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1016284 + ... + 1017590.

It is an arithmetic number, because the mean of its divisors is an integer number (56507126).

Almost surely, 2^1329136659 is an apocalyptic number.

1329136659 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1329136659 is a deficient number, since it is larger than the sum of its proper divisors (705119877).

1329136659 is a wasteful number, since it uses less digits than its factorization.

1329136659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664 (or 1642 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 1329136659 is about 36457.3265476228. The cubic root of 1329136659 is about 1099.4864431932.

The spelling of 1329136659 in words is "one billion, three hundred twenty-nine million, one hundred thirty-six thousand, six hundred fifty-nine".