130717440 has 216 divisors, whose sum is σ = 517197408. Its totient is φ = 29859840.

The previous prime is 130717439. The next prime is 130717493. The reversal of 130717440 is 44717031.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79830 + ... + 81450.

Almost surely, 2^130717440 is an apocalyptic number.

130717440 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 130717440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258598704).

130717440 is an abundant number, since it is smaller than the sum of its proper divisors (386479968).

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

130717440 is a wasteful number, since it uses less digits than its factorization.

130717440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655 (or 1638 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 130717440 is about 11433.1727879885. The cubic root of 130717440 is about 507.5098916593.

The spelling of 130717440 in words is "one hundred thirty million, seven hundred seventeen thousand, four hundred forty".