1300394128 has 20 divisors (see below), whose sum is σ = 2748560688. Its totient is φ = 591088160.

The previous prime is 1300394113. The next prime is 1300394129. The reversal of 1300394128 is 8214930031.

It is a self number, because there is not a number n which added to its sum of digits gives 1300394128.

It is not an unprimeable number, because it can be changed into a prime (1300394129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3694126 + ... + 3694477.

Almost surely, 2^1300394128 is an apocalyptic number.

It is an amenable number.

1300394128 is an abundant number, since it is smaller than the sum of its proper divisors (1448166560).

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

1300394128 is a wasteful number, since it uses less digits than its factorization.

1300394128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7388622 (or 7388616 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1300394128 is about 36060.9779124194. The cubic root of 1300394128 is about 1091.5031664025.

The spelling of 1300394128 in words is "one billion, three hundred million, three hundred ninety-four thousand, one hundred twenty-eight".