138701670206 has 64 divisors (see below), whose sum is σ = 248279592960. Its totient is φ = 57471456000.

The previous prime is 138701670181. The next prime is 138701670227. The reversal of 138701670206 is 602076107831.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 725375 + ... + 896421.

It is an arithmetic number, because the mean of its divisors is an integer number (3879368640).

Almost surely, 2^138701670206 is an apocalyptic number.

138701670206 is a deficient number, since it is larger than the sum of its proper divisors (109577922754).

138701670206 is a wasteful number, since it uses less digits than its factorization.

138701670206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171161.

The product of its (nonzero) digits is 84672, while the sum is 41.

The spelling of 138701670206 in words is "one hundred thirty-eight billion, seven hundred one million, six hundred seventy thousand, two hundred six".