130680782 has 4 divisors (see below), whose sum is σ = 196021176. Its totient is φ = 65340390.

The previous prime is 130680763. The next prime is 130680787. The reversal of 130680782 is 287086031.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130680787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32670194 + ... + 32670197.

It is an arithmetic number, because the mean of its divisors is an integer number (49005294).

Almost surely, 2^130680782 is an apocalyptic number.

130680782 is a deficient number, since it is larger than the sum of its proper divisors (65340394).

130680782 is an equidigital number, since it uses as much as digits as its factorization.

130680782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65340393.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 130680782 is about 11431.5695335330. The cubic root of 130680782 is about 507.4624457154.

The spelling of 130680782 in words is "one hundred thirty million, six hundred eighty thousand, seven hundred eighty-two".