130628780 has 24 divisors (see below), whose sum is σ = 274579200. Its totient is φ = 52202240.

The previous prime is 130628779. The next prime is 130628783. The reversal of 130628780 is 87826031.

It is a self number, because there is not a number n which added to its sum of digits gives 130628780.

It is not an unprimeable number, because it can be changed into a prime (130628783) 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, 24821 + ... + 29619.

It is an arithmetic number, because the mean of its divisors is an integer number (11440800).

Almost surely, 2^130628780 is an apocalyptic number.

130628780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130628780 is an abundant number, since it is smaller than the sum of its proper divisors (143950420).

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

130628780 is a wasteful number, since it uses less digits than its factorization.

130628780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6169 (or 6167 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 130628780 is about 11429.2948163918. The cubic root of 130628780 is about 507.3951250203.

The spelling of 130628780 in words is "one hundred thirty million, six hundred twenty-eight thousand, seven hundred eighty".