1013789328 has 80 divisors (see below), whose sum is σ = 2720230656. Its totient is φ = 325100160.

The previous prime is 1013789297. The next prime is 1013789351. The reversal of 1013789328 is 8239873101.

It is a self number, because there is not a number n which added to its sum of digits gives 1013789328.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134623 + ... + 141953.

Almost surely, 2^1013789328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1013789328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1360115328).

1013789328 is an abundant number, since it is smaller than the sum of its proper divisors (1706441328).

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

1013789328 is a wasteful number, since it uses less digits than its factorization.

1013789328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7452 (or 7446 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 1013789328 is about 31840.0585426597. The cubic root of 1013789328 is about 1004.5754757591.

The spelling of 1013789328 in words is "one billion, thirteen million, seven hundred eighty-nine thousand, three hundred twenty-eight".