138904838493141 has 48 divisors (see below), whose sum is σ = 216901553803200. Its totient is φ = 78837344006400.

The previous prime is 138904838493133. The next prime is 138904838493199. The reversal of 138904838493141 is 141394838409831.

It is not a de Polignac number, because 138904838493141 - 2³ = 138904838493133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138904838493121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 444408966 + ... + 444721416.

It is an arithmetic number, because the mean of its divisors is an integer number (4518782370900).

Almost surely, 2^{138904838493141} is an apocalyptic number.

It is an amenable number.

138904838493141 is a deficient number, since it is larger than the sum of its proper divisors (77996715310059).

138904838493141 is a wasteful number, since it uses less digits than its factorization.

138904838493141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332914 (or 332907 counting only the distinct ones).

The product of its (nonzero) digits is 71663616, while the sum is 66.

The spelling of 138904838493141 in words is "one hundred thirty-eight trillion, nine hundred four billion, eight hundred thirty-eight million, four hundred ninety-three thousand, one hundred forty-one".