130342806 has 48 divisors (see below), whose sum is σ = 309870288. Its totient is φ = 39268800.

The previous prime is 130342801. The next prime is 130342819. The reversal of 130342806 is 608243031.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 130342806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130342801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34020 + ... + 37656.

It is an arithmetic number, because the mean of its divisors is an integer number (6455631).

Almost surely, 2^130342806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130342806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154935144).

130342806 is an abundant number, since it is smaller than the sum of its proper divisors (179527482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130342806 is a wasteful number, since it uses less digits than its factorization.

130342806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3837 (or 3834 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 130342806 is about 11416.7773911906. Note that the first 3 decimals coincide. The cubic root of 130342806 is about 507.0245894496.

Adding to 130342806 its reverse (608243031), we get a palindrome (738585837).

The spelling of 130342806 in words is "one hundred thirty million, three hundred forty-two thousand, eight hundred six".