1328626733 has 8 divisors (see below), whose sum is σ = 1536725568. Its totient is φ = 1125101664.

The previous prime is 1328626703. The next prime is 1328626753. The reversal of 1328626733 is 3376268231.

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 1328626733 - 2¹⁶ = 1328561197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328626703) 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, 1142816 + ... + 1143977.

It is an arithmetic number, because the mean of its divisors is an integer number (192090696).

Almost surely, 2^1328626733 is an apocalyptic number.

It is an amenable number.

1328626733 is a deficient number, since it is larger than the sum of its proper divisors (208098835).

1328626733 is an equidigital number, since it uses as much as digits as its factorization.

1328626733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286883.

The product of its digits is 217728, while the sum is 41.

The square root of 1328626733 is about 36450.3324127504. The cubic root of 1328626733 is about 1099.3458184665.

The spelling of 1328626733 in words is "one billion, three hundred twenty-eight million, six hundred twenty-six thousand, seven hundred thirty-three".