130865280 has 384 divisors, whose sum is σ = 527446080. Its totient is φ = 27353088.

The previous prime is 130865279. The next prime is 130865281. The reversal of 130865280 is 82568031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (130865279) and next prime (130865281).

It is a tau number, because it is divible by the number of its divisors (384).

It is not an unprimeable number, because it can be changed into a prime (130865281) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1222987 + ... + 1223093.

Almost surely, 2^130865280 is an apocalyptic number.

130865280 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 130865280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263723040).

130865280 is an abundant number, since it is smaller than the sum of its proper divisors (396580800).

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

130865280 is a wasteful number, since it uses less digits than its factorization.

130865280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 130865280 is about 11439.6363578568. The cubic root of 130865280 is about 507.7011489595.

The spelling of 130865280 in words is "one hundred thirty million, eight hundred sixty-five thousand, two hundred eighty".