130681308 has 72 divisors (see below), whose sum is σ = 330115968. Its totient is φ = 40158272.

The previous prime is 130681307. The next prime is 130681319. The reversal of 130681308 is 803186031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130681301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 231835 + ... + 232397.

It is an arithmetic number, because the mean of its divisors is an integer number (4584944).

Almost surely, 2^130681308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130681308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165057984).

130681308 is an abundant number, since it is smaller than the sum of its proper divisors (199434660).

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

130681308 is a wasteful number, since it uses less digits than its factorization.

130681308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 130681308 is about 11431.5925399745. The cubic root of 130681308 is about 507.4631265727.

The spelling of 130681308 in words is "one hundred thirty million, six hundred eighty-one thousand, three hundred eight".