130242565 has 4 divisors (see below), whose sum is σ = 156291084. Its totient is φ = 104194048.

The previous prime is 130242547. The next prime is 130242577. The reversal of 130242565 is 565242031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43864129 + 86378436 = 6623^2 + 9294^2 .

It is a cyclic number.

It is not a de Polignac number, because 130242565 - 2¹³ = 130234373 is a prime.

It is a Duffinian number.

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, 13024252 + ... + 13024261.

It is an arithmetic number, because the mean of its divisors is an integer number (39072771).

Almost surely, 2^130242565 is an apocalyptic number.

It is an amenable number.

130242565 is a deficient number, since it is larger than the sum of its proper divisors (26048519).

130242565 is an equidigital number, since it uses as much as digits as its factorization.

130242565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26048518.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 130242565 is about 11412.3864726007. The cubic root of 130242565 is about 506.8945792404.

Adding to 130242565 its reverse (565242031), we get a palindrome (695484596).

The spelling of 130242565 in words is "one hundred thirty million, two hundred forty-two thousand, five hundred sixty-five".