130540130066 has 16 divisors (see below), whose sum is σ = 199572674904. Its totient is φ = 64016744064.

The previous prime is 130540130057. The next prime is 130540130069. The reversal of 130540130066 is 660031045031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 65909779441 + 64630350625 = 256729^2 + 254225^2 .

It is a super-3 number, since 3×130540130066³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (130540130069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105206 + ... + 521678.

Almost surely, 2^130540130066 is an apocalyptic number.

130540130066 is a deficient number, since it is larger than the sum of its proper divisors (69032544838).

130540130066 is a wasteful number, since it uses less digits than its factorization.

130540130066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419485.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 130540130066 its reverse (660031045031), we get a palindrome (790571175097).

The spelling of 130540130066 in words is "one hundred thirty billion, five hundred forty million, one hundred thirty thousand, sixty-six".