130756673 has 4 divisors (see below), whose sum is σ = 138448260. Its totient is φ = 123065088.

The previous prime is 130756669. The next prime is 130756697. The reversal of 130756673 is 376657031.

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

It can be written as a sum of positive squares in 2 ways, for example, as 104203264 + 26553409 = 10208^2 + 5153^2 .

It is a cyclic number.

It is not a de Polignac number, because 130756673 - 2² = 130756669 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130756603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3845768 + ... + 3845801.

It is an arithmetic number, because the mean of its divisors is an integer number (34612065).

Almost surely, 2^130756673 is an apocalyptic number.

It is an amenable number.

130756673 is a deficient number, since it is larger than the sum of its proper divisors (7691587).

130756673 is an equidigital number, since it uses as much as digits as its factorization.

130756673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7691586.

The product of its (nonzero) digits is 79380, while the sum is 38.

The square root of 130756673 is about 11434.8884122234. Note that the first 3 decimals coincide. The cubic root of 130756673 is about 507.5606605643.

The spelling of 130756673 in words is "one hundred thirty million, seven hundred fifty-six thousand, six hundred seventy-three".