130767221 has 8 divisors (see below), whose sum is σ = 141543864. Its totient is φ = 120093120.

The previous prime is 130767211. The next prime is 130767223. The reversal of 130767221 is 122767031.

It can be written as a sum of positive squares in 4 ways, for example, as 4452100 + 126315121 = 2110^2 + 11239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130767221 - 2¹⁰ = 130766197 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 (130767223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22970 + ... + 28091.

It is an arithmetic number, because the mean of its divisors is an integer number (17692983).

Almost surely, 2^130767221 is an apocalyptic number.

It is an amenable number.

130767221 is a deficient number, since it is larger than the sum of its proper divisors (10776643).

130767221 is a wasteful number, since it uses less digits than its factorization.

130767221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51271.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 130767221 is about 11435.3496229892. The cubic root of 130767221 is about 507.5743083213.

The spelling of 130767221 in words is "one hundred thirty million, seven hundred sixty-seven thousand, two hundred twenty-one".