130321354240 has 320 divisors, whose sum is σ = 392142187008. Its totient is φ = 40351334400.

The previous prime is 130321354199. The next prime is 130321354259. The reversal of 130321354240 is 42453123031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 130321354199 and 130321354208.

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, 30945735 + ... + 30949945.

Almost surely, 2^130321354240 is an apocalyptic number.

130321354240 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 130321354240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196071093504).

130321354240 is an abundant number, since it is smaller than the sum of its proper divisors (261820832768).

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

130321354240 is a wasteful number, since it uses less digits than its factorization.

130321354240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4409 (or 4393 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 130321354240 its reverse (42453123031), we get a palindrome (172774477271).

The spelling of 130321354240 in words is "one hundred thirty billion, three hundred twenty-one million, three hundred fifty-four thousand, two hundred forty".