138136315219 has 8 divisors (see below), whose sum is σ = 157923235328. Its totient is φ = 118362685320.

The previous prime is 138136315211. The next prime is 138136315241. The reversal of 138136315219 is 912513631831.

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

It is a cyclic number.

It is not a de Polignac number, because 138136315219 - 2³ = 138136315211 is a prime.

It is a super-2 number, since 2×138136315219² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138136315211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3300267 + ... + 3341860.

It is an arithmetic number, because the mean of its divisors is an integer number (19740404416).

Almost surely, 2^138136315219 is an apocalyptic number.

138136315219 is a deficient number, since it is larger than the sum of its proper divisors (19786920109).

138136315219 is an equidigital number, since it uses as much as digits as its factorization.

138136315219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6645105.

The product of its digits is 116640, while the sum is 43.

The spelling of 138136315219 in words is "one hundred thirty-eight billion, one hundred thirty-six million, three hundred fifteen thousand, two hundred nineteen".