130007506 has 4 divisors (see below), whose sum is σ = 195011262. Its totient is φ = 65003752.

The previous prime is 130007473. The next prime is 130007509. The reversal of 130007506 is 605700031.

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., 127577025 + 2430481 = 11295^2 + 1559^2 .

It is not an unprimeable number, because it can be changed into a prime (130007509) 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, 32501875 + ... + 32501878.

Almost surely, 2^130007506 is an apocalyptic number.

130007506 is a deficient number, since it is larger than the sum of its proper divisors (65003756).

130007506 is an equidigital number, since it uses as much as digits as its factorization.

130007506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65003755.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 130007506 is about 11402.0834061149. The cubic root of 130007506 is about 506.5894514333.

Adding to 130007506 its reverse (605700031), we get a palindrome (735707537).

The spelling of 130007506 in words is "one hundred thirty million, seven thousand, five hundred six".