130728092 has 12 divisors (see below), whose sum is σ = 249571896. Its totient is φ = 59421840.

The previous prime is 130728083. The next prime is 130728097. The reversal of 130728092 is 290827031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130728097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1485503 + ... + 1485590.

It is an arithmetic number, because the mean of its divisors is an integer number (20797658).

Almost surely, 2^130728092 is an apocalyptic number.

It is an amenable number.

130728092 is a deficient number, since it is larger than the sum of its proper divisors (118843804).

130728092 is a wasteful number, since it uses less digits than its factorization.

130728092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2971108 (or 2971106 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 130728092 is about 11433.6386159437. The cubic root of 130728092 is about 507.5236767327.

The spelling of 130728092 in words is "one hundred thirty million, seven hundred twenty-eight thousand, ninety-two".