2135352320 has 88 divisors (see below), whose sum is σ = 5423878584. Its totient is φ = 803864576.

The previous prime is 2135352311. The next prime is 2135352341. The reversal of 2135352320 is 232535312.

It can be written as a sum of positive squares in 4 ways, for example, as 44302336 + 2091049984 = 6656^2 + 45728^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2135352320.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74774 + ... + 99306.

Almost surely, 2^2135352320 is an apocalyptic number.

2135352320 is a gapful number since it is divisible by the number (20) 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 2135352320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2711939292).

2135352320 is an abundant number, since it is smaller than the sum of its proper divisors (3288526264).

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

2135352320 is a wasteful number, since it uses less digits than its factorization.

2135352320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24575 (or 24557 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 2135352320 is about 46209.8725382358. The cubic root of 2135352320 is about 1287.7251577190.

Adding to 2135352320 its reverse (232535312), we get a palindrome (2367887632).

The spelling of 2135352320 in words is "two billion, one hundred thirty-five million, three hundred fifty-two thousand, three hundred twenty".