130997580 has 144 divisors (see below), whose sum is σ = 451948896. Its totient is φ = 28170240.

The previous prime is 130997569. The next prime is 130997591. The reversal of 130997580 is 85799031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (130997569) and next prime (130997591).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48670 + ... + 51290.

It is an arithmetic number, because the mean of its divisors is an integer number (3138534).

Almost surely, 2^130997580 is an apocalyptic number.

130997580 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 130997580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225974448).

130997580 is an abundant number, since it is smaller than the sum of its proper divisors (320951316).

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

130997580 is a wasteful number, since it uses less digits than its factorization.

130997580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664 (or 2655 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 130997580 is about 11445.4174235805. The cubic root of 130997580 is about 507.8721804193.

It can be divided in two parts, 1309 and 97580, that added together give a palindrome (98889).

The spelling of 130997580 in words is "one hundred thirty million, nine hundred ninety-seven thousand, five hundred eighty".