130358821 has 2 divisors, whose sum is σ = 130358822. Its totient is φ = 130358820.

The previous prime is 130358797. The next prime is 130358863. The reversal of 130358821 is 128853031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68657796 + 61701025 = 8286^2 + 7855^2 .

It is an emirp because it is prime and its reverse (128853031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130358821 - 2¹⁷ = 130227749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130358321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65179410 + 65179411.

It is an arithmetic number, because the mean of its divisors is an integer number (65179411).

Almost surely, 2^130358821 is an apocalyptic number.

It is an amenable number.

130358821 is a deficient number, since it is larger than the sum of its proper divisors (1).

130358821 is an equidigital number, since it uses as much as digits as its factorization.

130358821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 130358821 is about 11417.4787497065. The cubic root of 130358821 is about 507.0453543503.

The spelling of 130358821 in words is "one hundred thirty million, three hundred fifty-eight thousand, eight hundred twenty-one".