138142338093 has 12 divisors (see below), whose sum is σ = 199542166720. Its totient is φ = 92093399496.

The previous prime is 138142338091. The next prime is 138142338107. The reversal of 138142338093 is 390833241831.

138142338093 is a `hidden beast` number, since 138 + 1 + 423 + 3 + 8 + 0 + 93 = 666.

It is not a de Polignac number, because 138142338093 - 2¹ = 138142338091 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138142338091) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 952530 + ... + 1087932.

Almost surely, 2^138142338093 is an apocalyptic number.

It is an amenable number.

138142338093 is a deficient number, since it is larger than the sum of its proper divisors (61399828627).

138142338093 is a wasteful number, since it uses less digits than its factorization.

138142338093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248768 (or 248765 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 138142338093 in words is "one hundred thirty-eight billion, one hundred forty-two million, three hundred thirty-eight thousand, ninety-three".