2134450540 has 12 divisors (see below), whose sum is σ = 4482346176. Its totient is φ = 853780208.

The previous prime is 2134450499. The next prime is 2134450541. The reversal of 2134450540 is 450544312.

It is a junction number, because it is equal to n+sod(n) for n = 2134450499 and 2134450508.

It is not an unprimeable number, because it can be changed into a prime (2134450541) 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 3 ways as a sum of consecutive naturals, for example, 53361244 + ... + 53361283.

It is an arithmetic number, because the mean of its divisors is an integer number (373528848).

Almost surely, 2^2134450540 is an apocalyptic number.

2134450540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2134450540 is an abundant number, since it is smaller than the sum of its proper divisors (2347895636).

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

2134450540 is a wasteful number, since it uses less digits than its factorization.

2134450540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106722536 (or 106722534 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2134450540 is about 46200.1140691232. The cubic root of 2134450540 is about 1287.5438592531.

Adding to 2134450540 its reverse (450544312), we get a palindrome (2584994852).

The spelling of 2134450540 in words is "two billion, one hundred thirty-four million, four hundred fifty thousand, five hundred forty".