138177160380 has 72 divisors (see below), whose sum is σ = 479014160352. Its totient is φ = 31583350656.

The previous prime is 138177160379. The next prime is 138177160391. The reversal of 138177160380 is 83061771831.

138177160380 is a `hidden beast` number, since 1 + 38 + 1 + 7 + 7 + 1 + 603 + 8 + 0 = 666.

138177160380 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54830947 + ... + 54833466.

Almost surely, 2^138177160380 is an apocalyptic number.

138177160380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138177160380 is an abundant number, since it is smaller than the sum of its proper divisors (340836999972).

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

138177160380 is a wasteful number, since it uses less digits than its factorization.

138177160380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109664435 (or 109664430 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 138177160380 in words is "one hundred thirty-eight billion, one hundred seventy-seven million, one hundred sixty thousand, three hundred eighty".