2136809033420 has 24 divisors (see below), whose sum is σ = 4487354642400. Its totient is φ = 854713009152.

The previous prime is 2136809033321. The next prime is 2136809033431. The reversal of 2136809033420 is 243309086312.

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 7 ways as a sum of consecutive naturals, for example, 1104521 + ... + 2343839.

It is an arithmetic number, because the mean of its divisors is an integer number (186973110100).

Almost surely, 2^{2136809033420} is an apocalyptic number.

2136809033420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2136809033420 is an abundant number, since it is smaller than the sum of its proper divisors (2350545608980).

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

2136809033420 is a wasteful number, since it uses less digits than its factorization.

2136809033420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325537 (or 1325535 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 2136809033420 in words is "two trillion, one hundred thirty-six billion, eight hundred nine million, thirty-three thousand, four hundred twenty".