130656277 has 4 divisors (see below), whose sum is σ = 130976140. Its totient is φ = 130336416.

The previous prime is 130656269. The next prime is 130656301. The reversal of 130656277 is 772656031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 772656031 = 7 ⋅110379433.

It can be written as a sum of positive squares in 2 ways, for example, as 64738116 + 65918161 = 8046^2 + 8119^2 .

It is a cyclic number.

It is not a de Polignac number, because 130656277 - 2³ = 130656269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130656377) 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, 159318 + ... + 160135.

It is an arithmetic number, because the mean of its divisors is an integer number (32744035).

Almost surely, 2^130656277 is an apocalyptic number.

It is an amenable number.

130656277 is a deficient number, since it is larger than the sum of its proper divisors (319863).

130656277 is an equidigital number, since it uses as much as digits as its factorization.

130656277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319862.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 130656277 is about 11430.4976707053. The cubic root of 130656277 is about 507.4307242834.

The spelling of 130656277 in words is "one hundred thirty million, six hundred fifty-six thousand, two hundred seventy-seven".