138722017358 has 8 divisors (see below), whose sum is σ = 213158221920. Its totient is φ = 67669276720.

The previous prime is 138722017327. The next prime is 138722017363. The reversal of 138722017358 is 853710227831.

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

It is a super-3 number, since 3×138722017358³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 845865878 + ... + 845866041.

It is an arithmetic number, because the mean of its divisors is an integer number (26644777740).

Almost surely, 2^138722017358 is an apocalyptic number.

138722017358 is a deficient number, since it is larger than the sum of its proper divisors (74436204562).

138722017358 is a wasteful number, since it uses less digits than its factorization.

138722017358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691731962.

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 138722017358 in words is "one hundred thirty-eight billion, seven hundred twenty-two million, seventeen thousand, three hundred fifty-eight".