130706 has 4 divisors (see below), whose sum is σ = 196062. Its totient is φ = 65352.

The previous prime is 130699. The next prime is 130729. The reversal of 130706 is 607031.

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., 87025 + 43681 = 295^2 + 209^2 .

It is an unprimeable number.

130706 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32675 + ... + 32678.

2¹³⁰⁷⁰⁶ is an apocalyptic number.

130706 is a deficient number, since it is larger than the sum of its proper divisors (65356).

130706 is an equidigital number, since it uses as much as digits as its factorization.

130706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65355.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 130706 is about 361.5328477469. The cubic root of 130706 is about 50.7495085977.

Adding to 130706 its reverse (607031), we get a palindrome (737737).

The spelling of 130706 in words is "one hundred thirty thousand, seven hundred six".