1329744100 has 18 divisors (see below), whose sum is σ = 2885544914. Its totient is φ = 531897600.

The previous prime is 1329744067. The next prime is 1329744107. The reversal of 1329744100 is 14479231.

It can be written as a sum of positive squares in 3 ways, for example, as 345290724 + 984453376 = 18582^2 + 31376^2 .

It is not an unprimeable number, because it can be changed into a prime (1329744107) 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 5 ways as a sum of consecutive naturals, for example, 6648621 + ... + 6648820.

Almost surely, 2^1329744100 is an apocalyptic number.

1329744100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1329744100 is an abundant number, since it is smaller than the sum of its proper divisors (1555800814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1329744100 is a wasteful number, since it uses less digits than its factorization.

1329744100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13297455 (or 13297448 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1329744100 is about 36465.6564454831. The cubic root of 1329744100 is about 1099.6539131626.

The spelling of 1329744100 in words is "one billion, three hundred twenty-nine million, seven hundred forty-four thousand, one hundred".