130544473 has 4 divisors (see below), whose sum is σ = 134072740. Its totient is φ = 127016208.

The previous prime is 130544471. The next prime is 130544509. The reversal of 130544473 is 374445031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 374445031 = 211 ⋅1774621.

It can be written as a sum of positive squares in 2 ways, for example, as 121947849 + 8596624 = 11043^2 + 2932^2 .

It is a cyclic number.

It is not a de Polignac number, because 130544473 - 2¹ = 130544471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130544471) 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, 1764078 + ... + 1764151.

It is an arithmetic number, because the mean of its divisors is an integer number (33518185).

Almost surely, 2^130544473 is an apocalyptic number.

It is an amenable number.

130544473 is a deficient number, since it is larger than the sum of its proper divisors (3528267).

130544473 is an equidigital number, since it uses as much as digits as its factorization.

130544473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3528266.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 130544473 is about 11425.6060233145. The cubic root of 130544473 is about 507.2859449791.

The spelling of 130544473 in words is "one hundred thirty million, five hundred forty-four thousand, four hundred seventy-three".