8130634 has 4 divisors (see below), whose sum is σ = 12195954. Its totient is φ = 4065316.

The previous prime is 8130631. The next prime is 8130673. The reversal of 8130634 is 4360318.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4360318 = 2 ⋅2180159.

It can be written as a sum of positive squares in only one way, i.e., 5774409 + 2356225 = 2403^2 + 1535^2 .

It is a super-2 number, since 2×8130634² = 132214418483912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8130599 and 8130608.

It is not an unprimeable number, because it can be changed into a prime (8130631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2032657 + ... + 2032660.

Almost surely, 2^8130634 is an apocalyptic number.

8130634 is a deficient number, since it is larger than the sum of its proper divisors (4065320).

8130634 is a wasteful number, since it uses less digits than its factorization.

8130634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4065319.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 8130634 is about 2851.4266604631. The cubic root of 8130634 is about 201.0827444115.

The spelling of 8130634 in words is "eight million, one hundred thirty thousand, six hundred thirty-four".