1329687339 has 16 divisors (see below), whose sum is σ = 1863516672. Its totient is φ = 841721408.

The previous prime is 1329687329. The next prime is 1329687341. The reversal of 1329687339 is 9337869231.

1329687339 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1329687339 - 2¹⁶ = 1329621803 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1329687291 and 1329687300.

It is not an unprimeable number, because it can be changed into a prime (1329687329) 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, 60879 + ... + 79784.

It is an arithmetic number, because the mean of its divisors is an integer number (116469792).

Almost surely, 2^1329687339 is an apocalyptic number.

1329687339 is a deficient number, since it is larger than the sum of its proper divisors (533829333).

1329687339 is a wasteful number, since it uses less digits than its factorization.

1329687339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140826.

The product of its digits is 1469664, while the sum is 51.

The square root of 1329687339 is about 36464.8781569334. The cubic root of 1329687339 is about 1099.6382664569.

The spelling of 1329687339 in words is "one billion, three hundred twenty-nine million, six hundred eighty-seven thousand, three hundred thirty-nine".