2134434140 has 12 divisors (see below), whose sum is σ = 4482311736. Its totient is φ = 853773648.

The previous prime is 2134434139. The next prime is 2134434143. The reversal of 2134434140 is 414344312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134434143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53360834 + ... + 53360873.

It is an arithmetic number, because the mean of its divisors is an integer number (373525978).

Almost surely, 2^2134434140 is an apocalyptic number.

2134434140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2134434140 is an abundant number, since it is smaller than the sum of its proper divisors (2347877596).

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

2134434140 is a wasteful number, since it uses less digits than its factorization.

2134434140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106721716 (or 106721714 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 2134434140 is about 46199.9365800431. The cubic root of 2134434140 is about 1287.5405616404.

Adding to 2134434140 its reverse (414344312), we get a palindrome (2548778452).

The spelling of 2134434140 in words is "two billion, one hundred thirty-four million, four hundred thirty-four thousand, one hundred forty".