138776333184 has 160 divisors (see below), whose sum is σ = 434733373800. Its totient is φ = 43824043008.

The previous prime is 138776333183. The next prime is 138776333243. The reversal of 138776333184 is 481333677831.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 138776333184.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138776333183) 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 19 ways as a sum of consecutive naturals, for example, 155247 + ... + 549230.

Almost surely, 2^138776333184 is an apocalyptic number.

It is an amenable number.

138776333184 is an abundant number, since it is smaller than the sum of its proper divisors (295957040616).

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

138776333184 is an equidigital number, since it uses as much as digits as its factorization.

138776333184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704522 (or 704501 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 54.

The spelling of 138776333184 in words is "one hundred thirty-eight billion, seven hundred seventy-six million, three hundred thirty-three thousand, one hundred eighty-four".