8135941320 has 576 divisors, whose sum is σ = 30969207360. Its totient is φ = 1909163520.

The previous prime is 8135941309. The next prime is 8135941337. The reversal of 8135941320 is 231495318.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 121431927 + ... + 121431993.

It is an arithmetic number, because the mean of its divisors is an integer number (53765985).

Almost surely, 2^8135941320 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 8135941320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15484603680).

8135941320 is an abundant number, since it is smaller than the sum of its proper divisors (22833266040).

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

8135941320 is a wasteful number, since it uses less digits than its factorization.

8135941320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 8135941320 is about 90199.4529916895. The cubic root of 8135941320 is about 2011.2648754997.

The spelling of 8135941320 in words is "eight billion, one hundred thirty-five million, nine hundred forty-one thousand, three hundred twenty".