1329385197 has 8 divisors (see below), whose sum is σ = 2025729856. Its totient is φ = 759648672.

The previous prime is 1329385171. The next prime is 1329385231. The reversal of 1329385197 is 7915839231.

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

It is not a de Polignac number, because 1329385197 - 2⁸ = 1329384941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1329385157) 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, 31652008 + ... + 31652049.

It is an arithmetic number, because the mean of its divisors is an integer number (253216232).

Almost surely, 2^1329385197 is an apocalyptic number.

It is an amenable number.

1329385197 is a deficient number, since it is larger than the sum of its proper divisors (696344659).

1329385197 is an equidigital number, since it uses as much as digits as its factorization.

1329385197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63304067.

The product of its digits is 408240, while the sum is 48.

The square root of 1329385197 is about 36460.7350035624. The cubic root of 1329385197 is about 1099.5549706665.

The spelling of 1329385197 in words is "one billion, three hundred twenty-nine million, three hundred eighty-five thousand, one hundred ninety-seven".