130206280 has 16 divisors (see below), whose sum is σ = 292964220. Its totient is φ = 52082496.

The previous prime is 130206253. The next prime is 130206287. The reversal of 130206280 is 82602031.

It can be written as a sum of positive squares in 2 ways, for example, as 117375556 + 12830724 = 10834^2 + 3582^2 .

It is not an unprimeable number, because it can be changed into a prime (130206287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1627539 + ... + 1627618.

Almost surely, 2^130206280 is an apocalyptic number.

130206280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130206280 is an abundant number, since it is smaller than the sum of its proper divisors (162757940).

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

130206280 is a wasteful number, since it uses less digits than its factorization.

130206280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255168 (or 3255164 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 130206280 is about 11410.7966417775. The cubic root of 130206280 is about 506.8475020090.

The spelling of 130206280 in words is "one hundred thirty million, two hundred six thousand, two hundred eighty".