138850032607121 has 16 divisors (see below), whose sum is σ = 155038791038208. Its totient is φ = 123257256368400.

The previous prime is 138850032607093. The next prime is 138850032607157. The reversal of 138850032607121 is 121706230058831.

It is not a de Polignac number, because 138850032607121 - 2³⁴ = 138832852737937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138850032607421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39413111 + ... + 42791276.

It is an arithmetic number, because the mean of its divisors is an integer number (9689924439888).

Almost surely, 2^{138850032607121} is an apocalyptic number.

138850032607121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

138850032607121 is a deficient number, since it is larger than the sum of its proper divisors (16188758431087).

138850032607121 is a wasteful number, since it uses less digits than its factorization.

138850032607121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82208012.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 138850032607121 in words is "one hundred thirty-eight trillion, eight hundred fifty billion, thirty-two million, six hundred seven thousand, one hundred twenty-one".