138820814745141 has 16 divisors (see below), whose sum is σ = 187081949726784. Its totient is φ = 91554254390784.

The previous prime is 138820814745131. The next prime is 138820814745167. The reversal of 138820814745141 is 141547418028831.

It is a happy number.

It is not a de Polignac number, because 138820814745141 - 2⁷ = 138820814745013 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138820814745131) 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, 100512135 + ... + 101883908.

It is an arithmetic number, because the mean of its divisors is an integer number (11692621857924).

Almost surely, 2^{138820814745141} is an apocalyptic number.

It is an amenable number.

138820814745141 is a deficient number, since it is larger than the sum of its proper divisors (48261134981643).

138820814745141 is a wasteful number, since it uses less digits than its factorization.

138820814745141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202398500.

The product of its (nonzero) digits is 6881280, while the sum is 57.

The spelling of 138820814745141 in words is "one hundred thirty-eight trillion, eight hundred twenty billion, eight hundred fourteen million, seven hundred forty-five thousand, one hundred forty-one".