130565250 has 192 divisors, whose sum is σ = 391322880. Its totient is φ = 32155200.

The previous prime is 130565231. The next prime is 130565251. The reversal of 130565250 is 52565031.

130565250 is a `hidden beast` number, since 1 + 3 + 0 + 5 + 652 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130565251) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4502236 + ... + 4502264.

It is an arithmetic number, because the mean of its divisors is an integer number (2038140).

Almost surely, 2^130565250 is an apocalyptic number.

130565250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 130565250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195661440).

130565250 is an abundant number, since it is smaller than the sum of its proper divisors (260757630).

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

130565250 is a wasteful number, since it uses less digits than its factorization.

130565250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 130565250 is about 11426.5152168104. The cubic root of 130565250 is about 507.3128561681.

The spelling of 130565250 in words is "one hundred thirty million, five hundred sixty-five thousand, two hundred fifty".