130131008 has 28 divisors (see below), whose sum is σ = 295119552. Its totient is φ = 55770240.

The previous prime is 130130947. The next prime is 130131011. The reversal of 130131008 is 800131031.

It is a tau number, because it is divible by the number of its divisors (28).

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, 144788 + ... + 145683.

It is an arithmetic number, because the mean of its divisors is an integer number (10539984).

Almost surely, 2^130131008 is an apocalyptic number.

It is an amenable number.

130131008 is an abundant number, since it is smaller than the sum of its proper divisors (164988544).

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

130131008 is an equidigital number, since it uses as much as digits as its factorization.

130131008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290490 (or 290480 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 130131008 is about 11407.4978851631. The cubic root of 130131008 is about 506.7498139935.

Adding to 130131008 its reverse (800131031), we get a palindrome (930262039).

The spelling of 130131008 in words is "one hundred thirty million, one hundred thirty-one thousand, eight".