130665187 has 2 divisors, whose sum is σ = 130665188. Its totient is φ = 130665186.

The previous prime is 130665169. The next prime is 130665211. The reversal of 130665187 is 781566031.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130665187 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130665127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65332593 + 65332594.

It is an arithmetic number, because the mean of its divisors is an integer number (65332594).

Almost surely, 2^130665187 is an apocalyptic number.

130665187 is a deficient number, since it is larger than the sum of its proper divisors (1).

130665187 is an equidigital number, since it uses as much as digits as its factorization.

130665187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 130665187 is about 11430.8874108706. The cubic root of 130665187 is about 507.4422586316.

The spelling of 130665187 in words is "one hundred thirty million, six hundred sixty-five thousand, one hundred eighty-seven".