2113154128 has 60 divisors (see below), whose sum is σ = 4390915392. Its totient is φ = 984901120.

The previous prime is 2113154093. The next prime is 2113154129. The reversal of 2113154128 is 8214513112.

It is a junction number, because it is equal to n+sod(n) for n = 2113154096 and 2113154105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113154129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 492633 + ... + 496903.

Almost surely, 2^2113154128 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 2113154128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2195457696).

2113154128 is an abundant number, since it is smaller than the sum of its proper divisors (2277761264).

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

2113154128 is a wasteful number, since it uses less digits than its factorization.

2113154128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4420 (or 4397 counting only the distinct ones).

The product of its digits is 1920, while the sum is 28.

The square root of 2113154128 is about 45969.0562008837. The cubic root of 2113154128 is about 1283.2473955759.

The spelling of 2113154128 in words is "two billion, one hundred thirteen million, one hundred fifty-four thousand, one hundred twenty-eight".