1329269452 has 36 divisors (see below), whose sum is σ = 2823675120. Its totient is φ = 544916064.

The previous prime is 1329269441. The next prime is 1329269471. The reversal of 1329269452 is 2549629231.

It is a junction number, because it is equal to n+sod(n) for n = 1329269399 and 1329269408.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142927 + ... + 151942.

It is an arithmetic number, because the mean of its divisors is an integer number (78435420).

Almost surely, 2^1329269452 is an apocalyptic number.

It is an amenable number.

1329269452 is an abundant number, since it is smaller than the sum of its proper divisors (1494405668).

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

1329269452 is a wasteful number, since it uses less digits than its factorization.

1329269452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294910 (or 294901 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The square root of 1329269452 is about 36459.1477135711. The cubic root of 1329269452 is about 1099.5230582496.

The spelling of 1329269452 in words is "one billion, three hundred twenty-nine million, two hundred sixty-nine thousand, four hundred fifty-two".