7130331834540 has 144 divisors (see below), whose sum is σ = 20634192974304. Its totient is φ = 1839687966720.

The previous prime is 7130331834497. The next prime is 7130331834541. The reversal of 7130331834540 is 454381330317.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7130331834492 and 7130331834501.

It is not an unprimeable number, because it can be changed into a prime (7130331834541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 343239594 + ... + 343260366.

It is an arithmetic number, because the mean of its divisors is an integer number (143293006766).

Almost surely, 2^{7130331834540} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7130331834540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10317096487152).

7130331834540 is an abundant number, since it is smaller than the sum of its proper divisors (13503861139764).

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

7130331834540 is a wasteful number, since it uses less digits than its factorization.

7130331834540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26800 (or 26767 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 7130331834540 in words is "seven trillion, one hundred thirty billion, three hundred thirty-one million, eight hundred thirty-four thousand, five hundred forty".