130647920 has 80 divisors (see below), whose sum is σ = 329041440. Its totient is φ = 47956992.

The previous prime is 130647917. The next prime is 130647943. The reversal of 130647920 is 29746031.

130647920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279527 + ... + 279993.

It is an arithmetic number, because the mean of its divisors is an integer number (4113018).

Almost surely, 2^130647920 is an apocalyptic number.

130647920 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 130647920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164520720).

130647920 is an abundant number, since it is smaller than the sum of its proper divisors (198393520).

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

130647920 is a wasteful number, since it uses less digits than its factorization.

130647920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762 (or 756 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 130647920 is about 11430.1321077230. The cubic root of 130647920 is about 507.4199053390.

The spelling of 130647920 in words is "one hundred thirty million, six hundred forty-seven thousand, nine hundred twenty".