138671760670 has 16 divisors (see below), whose sum is σ = 249754237488. Its totient is φ = 55436466880.

The previous prime is 138671760649. The next prime is 138671760673. The reversal of 138671760670 is 76067176831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138671760673) 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 7 ways as a sum of consecutive naturals, for example, 4011604 + ... + 4046023.

It is an arithmetic number, because the mean of its divisors is an integer number (15609639843).

Almost surely, 2^138671760670 is an apocalyptic number.

138671760670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138671760670 is a deficient number, since it is larger than the sum of its proper divisors (111082476818).

138671760670 is a wasteful number, since it uses less digits than its factorization.

138671760670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8059355.

The product of its (nonzero) digits is 1778112, while the sum is 52.

The spelling of 138671760670 in words is "one hundred thirty-eight billion, six hundred seventy-one million, seven hundred sixty thousand, six hundred seventy".