130695846581 has 4 divisors (see below), whose sum is σ = 134911841664. Its totient is φ = 126479851500.

The previous prime is 130695846529. The next prime is 130695846601. The reversal of 130695846581 is 185648596031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 185648596031 = 181 ⋅1025682851.

It is a cyclic number.

It is not a de Polignac number, because 130695846581 - 2²⁶ = 130628737717 is a prime.

It is a super-2 number, since 2×130695846581² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130695846481) 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, 2107997495 + ... + 2107997556.

It is an arithmetic number, because the mean of its divisors is an integer number (33727960416).

Almost surely, 2^130695846581 is an apocalyptic number.

It is an amenable number.

130695846581 is a deficient number, since it is larger than the sum of its proper divisors (4215995083).

130695846581 is an equidigital number, since it uses as much as digits as its factorization.

130695846581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4215995082.

The product of its (nonzero) digits is 6220800, while the sum is 56.

The spelling of 130695846581 in words is "one hundred thirty billion, six hundred ninety-five million, eight hundred forty-six thousand, five hundred eighty-one".