130712281 has 16 divisors (see below), whose sum is σ = 151619328. Its totient is φ = 110376000.

The previous prime is 130712279. The next prime is 130712321. The reversal of 130712281 is 182217031.

It is a happy number.

It is not a de Polignac number, because 130712281 - 2¹ = 130712279 is a prime.

It is a super-2 number, since 2×130712281² = 34171400808445922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130712221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206836 + ... + 207466.

It is an arithmetic number, because the mean of its divisors is an integer number (9476208).

Almost surely, 2^130712281 is an apocalyptic number.

It is an amenable number.

130712281 is a deficient number, since it is larger than the sum of its proper divisors (20907047).

130712281 is a wasteful number, since it uses less digits than its factorization.

130712281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 130712281 is about 11432.9471703494. The cubic root of 130712281 is about 507.5032149731.

The spelling of 130712281 in words is "one hundred thirty million, seven hundred twelve thousand, two hundred eighty-one".