130728301 has 4 divisors (see below), whose sum is σ = 142612704. Its totient is φ = 118843900.

The previous prime is 130728287. The next prime is 130728313. The reversal of 130728301 is 103827031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 130728301 - 2²¹ = 128631149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130728371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5942185 + ... + 5942206.

It is an arithmetic number, because the mean of its divisors is an integer number (35653176).

Almost surely, 2^130728301 is an apocalyptic number.

130728301 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

130728301 is a deficient number, since it is larger than the sum of its proper divisors (11884403).

130728301 is a wasteful number, since it uses less digits than its factorization.

130728301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11884402.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 130728301 is about 11433.6477556377. The cubic root of 130728301 is about 507.5239471984.

The spelling of 130728301 in words is "one hundred thirty million, seven hundred twenty-eight thousand, three hundred one".