130144625 has 24 divisors (see below), whose sum is σ = 175534632. Its totient is φ = 95767200.

The previous prime is 130144601. The next prime is 130144631. The reversal of 130144625 is 526441031.

It can be written as a sum of positive squares in 4 ways, for example, as 20502784 + 109641841 = 4528^2 + 10471^2 .

It is not a de Polignac number, because 130144625 - 2⁸ = 130144369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130144594 and 130144603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 459734 + ... + 460016.

It is an arithmetic number, because the mean of its divisors is an integer number (7313943).

Almost surely, 2^130144625 is an apocalyptic number.

It is an amenable number.

130144625 is a deficient number, since it is larger than the sum of its proper divisors (45390007).

130144625 is an frugal number, since it uses more digits than its factorization.

130144625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 130144625 is about 11408.0947138424. The cubic root of 130144625 is about 506.7674889291.

Adding to 130144625 its reverse (526441031), we get a palindrome (656585656).

The spelling of 130144625 in words is "one hundred thirty million, one hundred forty-four thousand, six hundred twenty-five".