130170500 has 48 divisors (see below), whose sum is σ = 285680304. Its totient is φ = 51814400.

The previous prime is 130170499. The next prime is 130170533. The reversal of 130170500 is 5071031.

130170500 = T₄₅₇ + T₄₅₈ + ... + T₉₅₆.

It can be written as a sum of positive squares in 8 ways, for example, as 47141956 + 83028544 = 6866^2 + 9112^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127994 + ... + 129006.

It is an arithmetic number, because the mean of its divisors is an integer number (5951673).

Almost surely, 2^130170500 is an apocalyptic number.

130170500 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 130170500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142840152).

130170500 is an abundant number, since it is smaller than the sum of its proper divisors (155509804).

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

130170500 is a wasteful number, since it uses less digits than its factorization.

130170500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289 (or 1277 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 17.

The square root of 130170500 is about 11409.2287206454. The cubic root of 130170500 is about 506.8010714144.

The spelling of 130170500 in words is "one hundred thirty million, one hundred seventy thousand, five hundred".