1329921902 has 8 divisors (see below), whose sum is σ = 2010590976. Its totient is φ = 659724912.

The previous prime is 1329921899. The next prime is 1329921907. The reversal of 1329921902 is 2091299231.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1329921907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2617703 + ... + 2618210.

It is an arithmetic number, because the mean of its divisors is an integer number (251323872).

Almost surely, 2^1329921902 is an apocalyptic number.

1329921902 is a deficient number, since it is larger than the sum of its proper divisors (680669074).

1329921902 is a wasteful number, since it uses less digits than its factorization.

1329921902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5236042.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 1329921902 is about 36468.0943017318. The cubic root of 1329921902 is about 1099.7029230815.

The spelling of 1329921902 in words is "one billion, three hundred twenty-nine million, nine hundred twenty-one thousand, nine hundred two".