840136074134 has 48 divisors (see below), whose sum is σ = 1505786998320. Its totient is φ = 350276996160.

The previous prime is 840136074103. The next prime is 840136074157. The reversal of 840136074134 is 431470631048.

It is a super-2 number, since 2×840136074134² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 840136074091 and 840136074100.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 36498689 + ... + 36521699.

It is an arithmetic number, because the mean of its divisors is an integer number (31370562465).

Almost surely, 2^840136074134 is an apocalyptic number.

840136074134 is a deficient number, since it is larger than the sum of its proper divisors (665650924186).

840136074134 is a wasteful number, since it uses less digits than its factorization.

840136074134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33133 (or 33126 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 840136074134 in words is "eight hundred forty billion, one hundred thirty-six million, seventy-four thousand, one hundred thirty-four".