2130434140540 has 48 divisors (see below), whose sum is σ = 4721806857600. Its totient is φ = 805192218432.

The previous prime is 2130434140531. The next prime is 2130434140547. The reversal of 2130434140540 is 450414340312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130434140547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7252294 + ... + 7540333.

It is an arithmetic number, because the mean of its divisors is an integer number (98370976200).

Almost surely, 2^{2130434140540} is an apocalyptic number.

2130434140540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130434140540 is an abundant number, since it is smaller than the sum of its proper divisors (2591372717060).

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

2130434140540 is a wasteful number, since it uses less digits than its factorization.

2130434140540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14793034 (or 14793032 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 2130434140540 its reverse (450414340312), we get a palindrome (2580848480852).

The spelling of 2130434140540 in words is "two trillion, one hundred thirty billion, four hundred thirty-four million, one hundred forty thousand, five hundred forty".