130278720 has 336 divisors, whose sum is σ = 495312192. Its totient is φ = 28753920.

The previous prime is 130278679. The next prime is 130278727. The reversal of 130278720 is 27872031.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130278727) 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 47 ways as a sum of consecutive naturals, for example, 1784604 + ... + 1784676.

Almost surely, 2^130278720 is an apocalyptic number.

130278720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130278720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247656096).

130278720 is an abundant number, since it is smaller than the sum of its proper divisors (365033472).

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

130278720 is a wasteful number, since it uses less digits than its factorization.

130278720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 130278720 is about 11413.9703872053. The cubic root of 130278720 is about 506.9414791100.

The spelling of 130278720 in words is "one hundred thirty million, two hundred seventy-eight thousand, seven hundred twenty".