130673786 has 4 divisors (see below), whose sum is σ = 196010682. Its totient is φ = 65336892.

The previous prime is 130673783. The next prime is 130673801. The reversal of 130673786 is 687376031.

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

It can be written as a sum of positive squares in only one way, i.e., 122522761 + 8151025 = 11069^2 + 2855^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130673783) 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 as a sum of consecutive naturals, namely, 32668445 + ... + 32668448.

Almost surely, 2^130673786 is an apocalyptic number.

130673786 is a deficient number, since it is larger than the sum of its proper divisors (65336896).

130673786 is an equidigital number, since it uses as much as digits as its factorization.

130673786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65336895.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 130673786 is about 11431.2635347104. The cubic root of 130673786 is about 507.4533898808.

The spelling of 130673786 in words is "one hundred thirty million, six hundred seventy-three thousand, seven hundred eighty-six".