184138755140 has 24 divisors (see below), whose sum is σ = 386699527872. Its totient is φ = 73653951200.

The previous prime is 184138755139. The next prime is 184138755161. The reversal of 184138755140 is 41557831481.

184138755140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×184138755140² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1608815 + ... + 1719465.

It is an arithmetic number, because the mean of its divisors is an integer number (16112480328).

Almost surely, 2^184138755140 is an apocalyptic number.

184138755140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

184138755140 is an abundant number, since it is smaller than the sum of its proper divisors (202560772732).

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

184138755140 is a wasteful number, since it uses less digits than its factorization.

184138755140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193867 (or 193865 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 47.

The spelling of 184138755140 in words is "one hundred eighty-four billion, one hundred thirty-eight million, seven hundred fifty-five thousand, one hundred forty".