2156320534136 has 16 divisors (see below), whose sum is σ = 4043131524000. Its totient is φ = 1078152127744.

The previous prime is 2156320534079. The next prime is 2156320534157. The reversal of 2156320534136 is 6314350236512.

It is a junction number, because it is equal to n+sod(n) for n = 2156320534093 and 2156320534102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193265 + ... + 2085663.

It is an arithmetic number, because the mean of its divisors is an integer number (252695720250).

Almost surely, 2^{2156320534136} is an apocalyptic number.

It is an amenable number.

2156320534136 is a deficient number, since it is larger than the sum of its proper divisors (1886810989864).

2156320534136 is a wasteful number, since it uses less digits than its factorization.

2156320534136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034838 (or 2034834 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 2156320534136 in words is "two trillion, one hundred fifty-six billion, three hundred twenty million, five hundred thirty-four thousand, one hundred thirty-six".