2136646352238 has 32 divisors (see below), whose sum is σ = 4454393074560. Its totient is φ = 682407005280.

The previous prime is 2136646352237. The next prime is 2136646352297. The reversal of 2136646352238 is 8322536466312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136646352237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46845820 + ... + 46891407.

It is an arithmetic number, because the mean of its divisors is an integer number (139199783580).

Almost surely, 2^{2136646352238} is an apocalyptic number.

2136646352238 is an abundant number, since it is smaller than the sum of its proper divisors (2317746722322).

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

2136646352238 is a wasteful number, since it uses less digits than its factorization.

2136646352238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93737392.

The product of its digits is 7464960, while the sum is 51.

The spelling of 2136646352238 in words is "two trillion, one hundred thirty-six billion, six hundred forty-six million, three hundred fifty-two thousand, two hundred thirty-eight".