130146722 has 8 divisors (see below), whose sum is σ = 201951900. Its totient is φ = 62829424.

The previous prime is 130146721. The next prime is 130146727. The reversal of 130146722 is 227641031.

It can be written as a sum of positive squares in 2 ways, for example, as 125865961 + 4280761 = 11219^2 + 2069^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 130146691 and 130146700.

It is not an unprimeable number, because it can be changed into a prime (130146721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1121897 + ... + 1122012.

Almost surely, 2^130146722 is an apocalyptic number.

130146722 is a deficient number, since it is larger than the sum of its proper divisors (71805178).

130146722 is a wasteful number, since it uses less digits than its factorization.

130146722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243940.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 130146722 is about 11408.1866218957. The cubic root of 130146722 is about 506.7702107362.

Adding to 130146722 its reverse (227641031), we get a palindrome (357787753).

The spelling of 130146722 in words is "one hundred thirty million, one hundred forty-six thousand, seven hundred twenty-two".