130636771 has 4 divisors (see below), whose sum is σ = 132210792. Its totient is φ = 129062752.

The previous prime is 130636741. The next prime is 130636813. The reversal of 130636771 is 177636031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130636771 - 2¹¹ = 130634723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130636741) 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 3 ways as a sum of consecutive naturals, for example, 786886 + ... + 787051.

It is an arithmetic number, because the mean of its divisors is an integer number (33052698).

Almost surely, 2^130636771 is an apocalyptic number.

130636771 is a deficient number, since it is larger than the sum of its proper divisors (1574021).

130636771 is an equidigital number, since it uses as much as digits as its factorization.

130636771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574020.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 130636771 is about 11429.6443951682. The cubic root of 130636771 is about 507.4054711624.

The spelling of 130636771 in words is "one hundred thirty million, six hundred thirty-six thousand, seven hundred seventy-one".