130427845 has 4 divisors (see below), whose sum is σ = 156513420. Its totient is φ = 104342272.

The previous prime is 130427833. The next prime is 130427851. The reversal of 130427845 is 548724031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 548724031 = 2999 ⋅182969.

It can be written as a sum of positive squares in 2 ways, for example, as 49589764 + 80838081 = 7042^2 + 8991^2 .

It is a cyclic number.

It is not a de Polignac number, because 130427845 - 2¹⁵ = 130395077 is a prime.

It is a super-2 number, since 2×130427845² = 34022845502688050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130427845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13042780 + ... + 13042789.

It is an arithmetic number, because the mean of its divisors is an integer number (39128355).

Almost surely, 2^130427845 is an apocalyptic number.

It is an amenable number.

130427845 is a deficient number, since it is larger than the sum of its proper divisors (26085575).

130427845 is an equidigital number, since it uses as much as digits as its factorization.

130427845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26085574.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 130427845 is about 11420.5010835777. The cubic root of 130427845 is about 507.1348307739.

The spelling of 130427845 in words is "one hundred thirty million, four hundred twenty-seven thousand, eight hundred forty-five".