2140562126436 has 48 divisors (see below), whose sum is σ = 5046478502016. Its totient is φ = 706116916224.

The previous prime is 2140562126419. The next prime is 2140562126491. The reversal of 2140562126436 is 6346212650412.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19823785 + ... + 19931471.

It is an arithmetic number, because the mean of its divisors is an integer number (105134968792).

Almost surely, 2^{2140562126436} is an apocalyptic number.

It is an amenable number.

2140562126436 is an abundant number, since it is smaller than the sum of its proper divisors (2905916375580).

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

2140562126436 is a wasteful number, since it uses less digits than its factorization.

2140562126436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124868 (or 124866 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

Adding to 2140562126436 its reverse (6346212650412), we get a palindrome (8486774776848).

The spelling of 2140562126436 in words is "two trillion, one hundred forty billion, five hundred sixty-two million, one hundred twenty-six thousand, four hundred thirty-six".