2136894552 has 96 divisors (see below), whose sum is σ = 6248249280. Its totient is φ = 655856640.

The previous prime is 2136894491. The next prime is 2136894569. The reversal of 2136894552 is 2554986312.

2136894552 is a `hidden beast` number, since 2 + 1 + 3 + 6 + 8 + 94 + 552 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2136894498 and 2136894507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 400768 + ... + 406064.

It is an arithmetic number, because the mean of its divisors is an integer number (65085930).

Almost surely, 2^2136894552 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 2136894552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3124124640).

2136894552 is an abundant number, since it is smaller than the sum of its proper divisors (4111354728).

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

2136894552 is a wasteful number, since it uses less digits than its factorization.

2136894552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5753 (or 5746 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 2136894552 is about 46226.5567828710. The cubic root of 2136894552 is about 1288.0350976766.

The spelling of 2136894552 in words is "two billion, one hundred thirty-six million, eight hundred ninety-four thousand, five hundred fifty-two".