138584908726 has 8 divisors (see below), whose sum is σ = 226775305224. Its totient is φ = 62993140320.

The previous prime is 138584908681. The next prime is 138584908727. The reversal of 138584908726 is 627809485831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138584908727) 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 3 ways as a sum of consecutive naturals, for example, 3149656995 + ... + 3149657038.

It is an arithmetic number, because the mean of its divisors is an integer number (28346913153).

It is a 1-persistent number, because it is pandigital, but 2⋅138584908726 = 277169817452 is not.

Almost surely, 2^138584908726 is an apocalyptic number.

138584908726 is a deficient number, since it is larger than the sum of its proper divisors (88190396498).

138584908726 is a wasteful number, since it uses less digits than its factorization.

138584908726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6299314046.

The product of its (nonzero) digits is 23224320, while the sum is 61.

The spelling of 138584908726 in words is "one hundred thirty-eight billion, five hundred eighty-four million, nine hundred eight thousand, seven hundred twenty-six".