2136965385042 has 24 divisors (see below), whose sum is σ = 4643434884816. Its totient is φ = 710268992376.

The previous prime is 2136965385041. The next prime is 2136965385059. The reversal of 2136965385042 is 2405835696312.

It is a happy number.

2136965385042 is a `hidden beast` number, since 2 + 1 + 3 + 69 + 6 + 538 + 5 + 0 + 42 = 666.

It is a super-3 number, since 3×2136965385042³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2136965385042.

It is not an unprimeable number, because it can be changed into a prime (2136965385041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171060468 + ... + 171072959.

It is an arithmetic number, because the mean of its divisors is an integer number (193476453534).

Almost surely, 2^{2136965385042} is an apocalyptic number.

2136965385042 is an abundant number, since it is smaller than the sum of its proper divisors (2506469499774).

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

2136965385042 is a wasteful number, since it uses less digits than its factorization.

2136965385042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342133782 (or 342133779 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 54.

The spelling of 2136965385042 in words is "two trillion, one hundred thirty-six billion, nine hundred sixty-five million, three hundred eighty-five thousand, forty-two".