2141000856 has 64 divisors (see below), whose sum is σ = 6107983200. Its totient is φ = 694376064.

The previous prime is 2141000843. The next prime is 2141000857. The reversal of 2141000856 is 6580001412.

It is a super-3 number, since 3×2141000856³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141000857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125955 + ... + 141938.

Almost surely, 2^2141000856 is an apocalyptic number.

It is an amenable number.

2141000856 is an abundant number, since it is smaller than the sum of its proper divisors (3966982344).

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

2141000856 is a wasteful number, since it uses less digits than its factorization.

2141000856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267945 (or 267935 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 2141000856 is about 46270.9504549020. The cubic root of 2141000856 is about 1288.8596087130.

The spelling of 2141000856 in words is "two billion, one hundred forty-one million, eight hundred fifty-six", and thus it is an aban number.