1329230945 has 8 divisors (see below), whose sum is σ = 1822945344. Its totient is φ = 911472624.

The previous prime is 1329230941. The next prime is 1329230963. The reversal of 1329230945 is 5490329231.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1329230945 - 2² = 1329230941 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1329230899 and 1329230908.

It is not an unprimeable number, because it can be changed into a prime (1329230941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18988979 + ... + 18989048.

It is an arithmetic number, because the mean of its divisors is an integer number (227868168).

Almost surely, 2^1329230945 is an apocalyptic number.

It is an amenable number.

1329230945 is a deficient number, since it is larger than the sum of its proper divisors (493714399).

1329230945 is an equidigital number, since it uses as much as digits as its factorization.

1329230945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37978039.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 1329230945 is about 36458.6196255426. The cubic root of 1329230945 is about 1099.5124409532.

The spelling of 1329230945 in words is "one billion, three hundred twenty-nine million, two hundred thirty thousand, nine hundred forty-five".