130665273 has 4 divisors (see below), whose sum is σ = 174220368. Its totient is φ = 87110180.

The previous prime is 130665263. The next prime is 130665287. The reversal of 130665273 is 372566031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 372566031 = 3 ⋅124188677.

It is a cyclic number.

It is not a de Polignac number, because 130665273 - 2¹⁰ = 130664249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130665263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21777543 + ... + 21777548.

It is an arithmetic number, because the mean of its divisors is an integer number (43555092).

Almost surely, 2^130665273 is an apocalyptic number.

It is an amenable number.

130665273 is a deficient number, since it is larger than the sum of its proper divisors (43555095).

130665273 is an equidigital number, since it uses as much as digits as its factorization.

130665273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43555094.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 130665273 is about 11430.8911726077. The cubic root of 130665273 is about 507.4423699595.

The spelling of 130665273 in words is "one hundred thirty million, six hundred sixty-five thousand, two hundred seventy-three".