2134212140 has 24 divisors (see below), whose sum is σ = 4517140992. Its totient is φ = 846961920.

The previous prime is 2134212137. The next prime is 2134212151. The reversal of 2134212140 is 412124312.

It is a super-2 number, since 2×2134212140² = 9109722917046759200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 417581 + ... + 422660.

It is an arithmetic number, because the mean of its divisors is an integer number (188214208).

Almost surely, 2^2134212140 is an apocalyptic number.

2134212140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2134212140 is an abundant number, since it is smaller than the sum of its proper divisors (2382928852).

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

2134212140 is a wasteful number, since it uses less digits than its factorization.

2134212140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840377 (or 840375 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2134212140 is about 46197.5339168662. The cubic root of 2134212140 is about 1287.4959215631.

Adding to 2134212140 its reverse (412124312), we get a palindrome (2546336452).

The spelling of 2134212140 in words is "two billion, one hundred thirty-four million, two hundred twelve thousand, one hundred forty".