130317240 has 128 divisors (see below), whose sum is σ = 418037760. Its totient is φ = 32385024.

The previous prime is 130317233. The next prime is 130317263. The reversal of 130317240 is 42713031.

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, 258829 + ... + 259331.

It is an arithmetic number, because the mean of its divisors is an integer number (3265920).

Almost surely, 2^130317240 is an apocalyptic number.

130317240 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 130317240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209018880).

130317240 is an abundant number, since it is smaller than the sum of its proper divisors (287720520).

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

130317240 is a wasteful number, since it uses less digits than its factorization.

130317240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 130317240 is about 11415.6576683080. The cubic root of 130317240 is about 506.9914372856.

The spelling of 130317240 in words is "one hundred thirty million, three hundred seventeen thousand, two hundred forty".