130655281 has 4 divisors (see below), whose sum is σ = 130720500. Its totient is φ = 130590064.

The previous prime is 130655279. The next prime is 130655377. The reversal of 130655281 is 182556031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26615281 + 104040000 = 5159^2 + 10200^2 .

It is a cyclic number.

It is not a de Polignac number, because 130655281 - 2¹ = 130655279 is a prime.

It is a super-2 number, since 2×130655281² = 34141604906377922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130655201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29506 + ... + 33643.

It is an arithmetic number, because the mean of its divisors is an integer number (32680125).

Almost surely, 2^130655281 is an apocalyptic number.

It is an amenable number.

130655281 is a deficient number, since it is larger than the sum of its proper divisors (65219).

130655281 is an equidigital number, since it uses as much as digits as its factorization.

130655281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65218.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 130655281 is about 11430.4541029655. The cubic root of 130655281 is about 507.4294348894.

The spelling of 130655281 in words is "one hundred thirty million, six hundred fifty-five thousand, two hundred eighty-one".