8137009197240 has 512 divisors, whose sum is σ = 32169443328000. Its totient is φ = 1595162419200.

The previous prime is 8137009197203. The next prime is 8137009197253. The reversal of 8137009197240 is 427919007318.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 42213801 + ... + 42406119.

It is an arithmetic number, because the mean of its divisors is an integer number (62830944000).

Almost surely, 2^{8137009197240} 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 8137009197240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16084721664000).

8137009197240 is an abundant number, since it is smaller than the sum of its proper divisors (24032434130760).

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

8137009197240 is a wasteful number, since it uses less digits than its factorization.

8137009197240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192611 (or 192607 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 51.

The spelling of 8137009197240 in words is "eight trillion, one hundred thirty-seven billion, nine million, one hundred ninety-seven thousand, two hundred forty".