130343040 has 256 divisors, whose sum is σ = 487152000. Its totient is φ = 32845824.

The previous prime is 130343039. The next prime is 130343053. The reversal of 130343040 is 40343031.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 328122 + ... + 328518.

Almost surely, 2^130343040 is an apocalyptic number.

130343040 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 130343040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243576000).

130343040 is an abundant number, since it is smaller than the sum of its proper divisors (356808960).

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

130343040 is a wasteful number, since it uses less digits than its factorization.

130343040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 130343040 is about 11416.7876392618. The cubic root of 130343040 is about 507.0248928641.

Adding to 130343040 its reverse (40343031), we get a palindrome (170686071).

Subtracting from 130343040 its reverse (40343031), we obtain a palindrome (90000009).

The spelling of 130343040 in words is "one hundred thirty million, three hundred forty-three thousand, forty".