130625000 has 128 divisors (see below), whose sum is σ = 351561600. Its totient is φ = 45000000.

The previous prime is 130624969. The next prime is 130625021. The reversal of 130625000 is 526031.

It is a self number, because there is not a number n which added to its sum of digits gives 130625000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6874991 + ... + 6875009.

It is an arithmetic number, because the mean of its divisors is an integer number (2746575).

Almost surely, 2^130625000 is an apocalyptic number.

130625000 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 130625000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175780800).

130625000 is an abundant number, since it is smaller than the sum of its proper divisors (220936600).

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

130625000 is an frugal number, since it uses more digits than its factorization.

130625000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71 (or 37 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 130625000 is about 11429.1294506625. The cubic root of 130625000 is about 507.3902308153.

The spelling of 130625000 in words is "one hundred thirty million, six hundred twenty-five thousand".