130665500 has 96 divisors (see below), whose sum is σ = 335287680. Its totient is φ = 43545600.

The previous prime is 130665497. The next prime is 130665523. The reversal of 130665500 is 5566031.

130665500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 130665500.

It is a congruent number.

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, 128996 + ... + 130004.

It is an arithmetic number, because the mean of its divisors is an integer number (3492580).

Almost surely, 2^130665500 is an apocalyptic number.

130665500 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 130665500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167643840).

130665500 is an abundant number, since it is smaller than the sum of its proper divisors (204622180).

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

130665500 is a wasteful number, since it uses less digits than its factorization.

130665500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072 (or 1060 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 130665500 is about 11430.9011018379. The cubic root of 130665500 is about 507.4426638130.

The spelling of 130665500 in words is "one hundred thirty million, six hundred sixty-five thousand, five hundred".