138383357186176 has 64 divisors (see below), whose sum is σ = 276722341912800. Its totient is φ = 68931574405120.

The previous prime is 138383357185963. The next prime is 138383357186177. The reversal of 138383357186176 is 671681753383831.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×138383357186176² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (138383357186177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179563395 + ... + 180332413.

Almost surely, 2^{138383357186176} is an apocalyptic number.

138383357186176 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

138383357186176 is a deficient number, since it is larger than the sum of its proper divisors (138338984726624).

138383357186176 is an equidigital number, since it uses as much as digits as its factorization.

138383357186176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774317 (or 774305 counting only the distinct ones).

The product of its digits is 365783040, while the sum is 70.

The spelling of 138383357186176 in words is "one hundred thirty-eight trillion, three hundred eighty-three billion, three hundred fifty-seven million, one hundred eighty-six thousand, one hundred seventy-six".