130566886 has 4 divisors (see below), whose sum is σ = 195850332. Its totient is φ = 65283442.

The previous prime is 130566881. The next prime is 130566889. The reversal of 130566886 is 688665031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 688665031 = 31 ⋅22215001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130566881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32641720 + ... + 32641723.

It is an arithmetic number, because the mean of its divisors is an integer number (48962583).

Almost surely, 2^130566886 is an apocalyptic number.

130566886 is a deficient number, since it is larger than the sum of its proper divisors (65283446).

130566886 is an equidigital number, since it uses as much as digits as its factorization.

130566886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65283445.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 130566886 is about 11426.5868044662. The cubic root of 130566886 is about 507.3149750585.

The spelling of 130566886 in words is "one hundred thirty million, five hundred sixty-six thousand, eight hundred eighty-six".