130442565 has 32 divisors (see below), whose sum is σ = 228894336. Its totient is φ = 62908160.

The previous prime is 130442561. The next prime is 130442579. The reversal of 130442565 is 565244031.

It is not a de Polignac number, because 130442565 - 2² = 130442561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130442561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30499 + ... + 34511.

It is an arithmetic number, because the mean of its divisors is an integer number (7152948).

Almost surely, 2^130442565 is an apocalyptic number.

130442565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130442565 is a deficient number, since it is larger than the sum of its proper divisors (98451771).

130442565 is a wasteful number, since it uses less digits than its factorization.

130442565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 130442565 is about 11421.1455204809. The cubic root of 130442565 is about 507.1539083563.

Adding to 130442565 its reverse (565244031), we get a palindrome (695686596).

The spelling of 130442565 in words is "one hundred thirty million, four hundred forty-two thousand, five hundred sixty-five".