2146856136 has 32 divisors (see below), whose sum is σ = 5370711360. Its totient is φ = 715142592.

The previous prime is 2146856123. The next prime is 2146856161. The reversal of 2146856136 is 6316586412.

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, 8046 + ... + 66018.

It is an arithmetic number, because the mean of its divisors is an integer number (167834730).

Almost surely, 2^2146856136 is an apocalyptic number.

It is an amenable number.

2146856136 is an abundant number, since it is smaller than the sum of its proper divisors (3223855224).

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

2146856136 is a wasteful number, since it uses less digits than its factorization.

2146856136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59525 (or 59521 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 2146856136 is about 46334.1789179435. The cubic root of 2146856136 is about 1290.0334778885.

The spelling of 2146856136 in words is "two billion, one hundred forty-six million, eight hundred fifty-six thousand, one hundred thirty-six".