138155274059 has 24 divisors (see below), whose sum is σ = 160202424000. Its totient is φ = 118133527680.

The previous prime is 138155274053. The next prime is 138155274077. The reversal of 138155274059 is 950472551831.

It is not a de Polignac number, because 138155274059 - 2³⁶ = 69435797323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138155273998 and 138155274016.

It is not an unprimeable number, because it can be changed into a prime (138155274053) 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 23 ways as a sum of consecutive naturals, for example, 5388332 + ... + 5413910.

It is an arithmetic number, because the mean of its divisors is an integer number (6675101000).

Almost surely, 2^138155274059 is an apocalyptic number.

138155274059 is a deficient number, since it is larger than the sum of its proper divisors (22047149941).

138155274059 is a wasteful number, since it uses less digits than its factorization.

138155274059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27323 (or 27306 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 50.

It can be divided in two parts, 138155 and 274059, that added together give a palindrome (412214).

The spelling of 138155274059 in words is "one hundred thirty-eight billion, one hundred fifty-five million, two hundred seventy-four thousand, fifty-nine".