130626720 has 144 divisors (see below), whose sum is σ = 509483520. Its totient is φ = 29855232.

The previous prime is 130626719. The next prime is 130626721. The reversal of 130626720 is 27626031.

It is a happy number.

130626720 is a `hidden beast` number, since 1 + 30 + 626 + 7 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (130626719) and next prime (130626721).

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (130626721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3601 + ... + 16559.

It is an arithmetic number, because the mean of its divisors is an integer number (3538080).

Almost surely, 2^130626720 is an apocalyptic number.

130626720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130626720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254741760).

130626720 is an abundant number, since it is smaller than the sum of its proper divisors (378856800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130626720 is a wasteful number, since it uses less digits than its factorization.

130626720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12987 (or 12976 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 130626720 is about 11429.2046967407. The cubic root of 130626720 is about 507.3924578198.

The spelling of 130626720 in words is "one hundred thirty million, six hundred twenty-six thousand, seven hundred twenty".