130916186 has 4 divisors (see below), whose sum is σ = 196374282. Its totient is φ = 65458092.

The previous prime is 130916129. The next prime is 130916189. The reversal of 130916186 is 681619031.

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

It can be written as a sum of positive squares in only one way, i.e., 83375161 + 47541025 = 9131^2 + 6895^2 .

It is not an unprimeable number, because it can be changed into a prime (130916189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32729045 + ... + 32729048.

Almost surely, 2^130916186 is an apocalyptic number.

130916186 is a deficient number, since it is larger than the sum of its proper divisors (65458096).

130916186 is an equidigital number, since it uses as much as digits as its factorization.

130916186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65458095.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 130916186 is about 11441.8611248345. The cubic root of 130916186 is about 507.7669715730.

The spelling of 130916186 in words is "one hundred thirty million, nine hundred sixteen thousand, one hundred eighty-six".