1329441705 has 24 divisors (see below), whose sum is σ = 2305368000. Its totient is φ = 708727200.

The previous prime is 1329441697. The next prime is 1329441713. The reversal of 1329441705 is 5071449231.

It is an interprime number because it is at equal distance from previous prime (1329441697) and next prime (1329441713).

It is not a de Polignac number, because 1329441705 - 2³ = 1329441697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1329441705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130030 + ... + 139880.

It is an arithmetic number, because the mean of its divisors is an integer number (96057000).

Almost surely, 2^1329441705 is an apocalyptic number.

1329441705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1329441705 is a deficient number, since it is larger than the sum of its proper divisors (975926295).

1329441705 is a wasteful number, since it uses less digits than its factorization.

1329441705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12861 (or 12858 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1329441705 is about 36461.5099111378. The cubic root of 1329441705 is about 1099.5705499915.

The spelling of 1329441705 in words is "one billion, three hundred twenty-nine million, four hundred forty-one thousand, seven hundred five".