130043280 has 80 divisors (see below), whose sum is σ = 404599104. Its totient is φ = 34552320.

The previous prime is 130043237. The next prime is 130043297. The reversal of 130043280 is 82340031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×130043280² = 33822509346316800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78622 + ... + 80258.

Almost surely, 2^130043280 is an apocalyptic number.

130043280 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 130043280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202299552).

130043280 is an abundant number, since it is smaller than the sum of its proper divisors (274555824).

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

130043280 is a wasteful number, since it uses less digits than its factorization.

130043280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984 (or 1978 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 130043280 is about 11403.6520466033. The cubic root of 130043280 is about 506.6359130302.

The spelling of 130043280 in words is "one hundred thirty million, forty-three thousand, two hundred eighty".