130628489 has 8 divisors (see below), whose sum is σ = 132098688. Its totient is φ = 129163120.

The previous prime is 130628479. The next prime is 130628503. The reversal of 130628489 is 984826031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130628489 - 2⁴ = 130628473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130628429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87104 + ... + 88590.

It is an arithmetic number, because the mean of its divisors is an integer number (16512336).

Almost surely, 2^130628489 is an apocalyptic number.

It is an amenable number.

130628489 is a deficient number, since it is larger than the sum of its proper divisors (1470199).

130628489 is a wasteful number, since it uses less digits than its factorization.

130628489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2415.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 130628489 is about 11429.2820859405. The cubic root of 130628489 is about 507.3947482476.

The spelling of 130628489 in words is "one hundred thirty million, six hundred twenty-eight thousand, four hundred eighty-nine".