138122610087 has 16 divisors (see below), whose sum is σ = 229606417152. Its totient is φ = 71752005120.

The previous prime is 138122610029. The next prime is 138122610097. The reversal of 138122610087 is 780016221831.

138122610087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 138122610087 - 2⁶ = 138122610023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138122610097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298966458 + ... + 298966919.

It is an arithmetic number, because the mean of its divisors is an integer number (14350401072).

Almost surely, 2^138122610087 is an apocalyptic number.

138122610087 is a deficient number, since it is larger than the sum of its proper divisors (91483807065).

138122610087 is a wasteful number, since it uses less digits than its factorization.

138122610087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597933398.

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 138122610087 in words is "one hundred thirty-eight billion, one hundred twenty-two million, six hundred ten thousand, eighty-seven".