130247380 has 24 divisors (see below), whose sum is σ = 273965832. Its totient is φ = 52013952.

The previous prime is 130247347. The next prime is 130247389. The reversal of 130247380 is 83742031.

It can be written as a sum of positive squares in 4 ways, for example, as 150544 + 130096836 = 388^2 + 11406^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130247389) 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, 8074 + ... + 18046.

It is an arithmetic number, because the mean of its divisors is an integer number (11415243).

Almost surely, 2^130247380 is an apocalyptic number.

130247380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130247380 is an abundant number, since it is smaller than the sum of its proper divisors (143718452).

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

130247380 is a wasteful number, since it uses less digits than its factorization.

130247380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10635 (or 10633 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 130247380 is about 11412.5974256521. The cubic root of 130247380 is about 506.9008257065.

The spelling of 130247380 in words is "one hundred thirty million, two hundred forty-seven thousand, three hundred eighty".