2136440134530 has 384 divisors, whose sum is σ = 6587904960000. Its totient is φ = 493496561664.

The previous prime is 2136440134453. The next prime is 2136440134541. The reversal of 2136440134530 is 354310446312.

2136440134530 is a `hidden beast` number, since 2 + 1 + 3 + 644 + 0 + 1 + 3 + 4 + 5 + 3 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 187417771 + ... + 187429169.

It is an arithmetic number, because the mean of its divisors is an integer number (17156002500).

Almost surely, 2^{2136440134530} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2136440134530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3293952480000).

2136440134530 is an abundant number, since it is smaller than the sum of its proper divisors (4451464825470).

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

2136440134530 is a wasteful number, since it uses less digits than its factorization.

2136440134530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11800 (or 11788 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 2136440134530 in words is "two trillion, one hundred thirty-six billion, four hundred forty million, one hundred thirty-four thousand, five hundred thirty".