130636424 has 8 divisors (see below), whose sum is σ = 244943310. Its totient is φ = 65318208.

The previous prime is 130636411. The next prime is 130636427. The reversal of 130636424 is 424636031.

It can be written as a sum of positive squares in only one way, i.e., 114875524 + 15760900 = 10718^2 + 3970^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (130636427) 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 as a sum of consecutive naturals, namely, 8164769 + ... + 8164784.

Almost surely, 2^130636424 is an apocalyptic number.

It is an amenable number.

130636424 is a deficient number, since it is larger than the sum of its proper divisors (114306886).

130636424 is a wasteful number, since it uses less digits than its factorization.

130636424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16329559 (or 16329555 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 130636424 is about 11429.6292153333. The cubic root of 130636424 is about 507.4050219019.

The spelling of 130636424 in words is "one hundred thirty million, six hundred thirty-six thousand, four hundred twenty-four".