130636477 has 2 divisors, whose sum is σ = 130636478. Its totient is φ = 130636476.

The previous prime is 130636469. The next prime is 130636523. The reversal of 130636477 is 774636031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102535876 + 28100601 = 10126^2 + 5301^2 .

It is a cyclic number.

It is not a de Polignac number, because 130636477 - 2³ = 130636469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130636427) 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 as a sum of consecutive naturals, namely, 65318238 + 65318239.

It is an arithmetic number, because the mean of its divisors is an integer number (65318239).

Almost surely, 2^130636477 is an apocalyptic number.

It is an amenable number.

130636477 is a deficient number, since it is larger than the sum of its proper divisors (1).

130636477 is an equidigital number, since it uses as much as digits as its factorization.

130636477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 130636477 is about 11429.6315338684. The cubic root of 130636477 is about 507.4050905210.

The spelling of 130636477 in words is "one hundred thirty million, six hundred thirty-six thousand, four hundred seventy-seven".