130581870 has 64 divisors (see below), whose sum is σ = 331879680. Its totient is φ = 32790528.

The previous prime is 130581859. The next prime is 130581881. The reversal of 130581870 is 78185031.

It is an interprime number because it is at equal distance from previous prime (130581859) and next prime (130581881).

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, 109417 + ... + 110603.

It is an arithmetic number, because the mean of its divisors is an integer number (5185620).

Almost surely, 2^130581870 is an apocalyptic number.

130581870 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 130581870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165939840).

130581870 is an abundant number, since it is smaller than the sum of its proper divisors (201297810).

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

130581870 is a wasteful number, since it uses less digits than its factorization.

130581870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 130581870 is about 11427.2424495151. The cubic root of 130581870 is about 507.3343809917.

The spelling of 130581870 in words is "one hundred thirty million, five hundred eighty-one thousand, eight hundred seventy".