130640704 has 28 divisors (see below), whose sum is σ = 259616448. Its totient is φ = 65225600.

The previous prime is 130640689. The next prime is 130640717. The reversal of 130640704 is 407046031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68889 + ... + 70759.

It is an arithmetic number, because the mean of its divisors is an integer number (9272016).

Almost surely, 2^130640704 is an apocalyptic number.

It is an amenable number.

130640704 is a deficient number, since it is larger than the sum of its proper divisors (128975744).

130640704 is a wasteful number, since it uses less digits than its factorization.

130640704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2974 (or 2964 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 130640704 is about 11429.8164464702. The cubic root of 130640704 is about 507.4105631583.

Adding to 130640704 its reverse (407046031), we get a palindrome (537686735).

The spelling of 130640704 in words is "one hundred thirty million, six hundred forty thousand, seven hundred four".