130804728 has 16 divisors (see below), whose sum is σ = 327011880. Its totient is φ = 43601568.

The previous prime is 130804727. The next prime is 130804733. The reversal of 130804728 is 827408031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130804727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2725075 + ... + 2725122.

Almost surely, 2^130804728 is an apocalyptic number.

It is an amenable number.

130804728 is an abundant number, since it is smaller than the sum of its proper divisors (196207152).

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

130804728 is a wasteful number, since it uses less digits than its factorization.

130804728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5450206 (or 5450202 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 130804728 is about 11436.9894640154. The cubic root of 130804728 is about 507.6228316174.

The spelling of 130804728 in words is "one hundred thirty million, eight hundred four thousand, seven hundred twenty-eight".