2136254020254 has 96 divisors (see below), whose sum is σ = 4826029212576. Its totient is φ = 682295581440.

The previous prime is 2136254020211. The next prime is 2136254020267. The reversal of 2136254020254 is 4520204526312.

2136254020254 is a `hidden beast` number, since 2 + 1 + 3 + 62 + 540 + 2 + 0 + 2 + 54 = 666.

It is a congruent 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 47 ways as a sum of consecutive naturals, for example, 244390324 + ... + 244399064.

It is an arithmetic number, because the mean of its divisors is an integer number (50271137631).

Almost surely, 2^{2136254020254} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2136254020254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2413014606288).

2136254020254 is an abundant number, since it is smaller than the sum of its proper divisors (2689775192322).

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

2136254020254 is a wasteful number, since it uses less digits than its factorization.

2136254020254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14330 (or 14327 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 2136254020254 its reverse (4520204526312), we get a palindrome (6656458546566).

The spelling of 2136254020254 in words is "two trillion, one hundred thirty-six billion, two hundred fifty-four million, twenty thousand, two hundred fifty-four".