2136536406 has 32 divisors (see below), whose sum is σ = 4812906720. Its totient is φ = 702421632.

The previous prime is 2136536329. The next prime is 2136536411. The reversal of 2136536406 is 6046356312.

2136536406 is a `hidden beast` number, since 2 + 1 + 3 + 6 + 5 + 3 + 640 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267055 + ... + 274938.

It is an arithmetic number, because the mean of its divisors is an integer number (150403335).

Almost surely, 2^2136536406 is an apocalyptic number.

2136536406 is an abundant number, since it is smaller than the sum of its proper divisors (2676370314).

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

2136536406 is a wasteful number, since it uses less digits than its factorization.

2136536406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542077 (or 542071 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 2136536406 is about 46222.6828083356. The cubic root of 2136536406 is about 1287.9631349318.

The spelling of 2136536406 in words is "two billion, one hundred thirty-six million, five hundred thirty-six thousand, four hundred six".