138916750339 has 8 divisors (see below), whose sum is σ = 139686849792. Its totient is φ = 138147096960.

The previous prime is 138916750337. The next prime is 138916750351. The reversal of 138916750339 is 933057619831.

It is a happy number.

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 138916750339 - 2¹ = 138916750337 is a prime.

It is a super-2 number, since 2×138916750339² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 138916750339.

It is not an unprimeable number, because it can be changed into a prime (138916750337) 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, 523017 + ... + 742549.

It is an arithmetic number, because the mean of its divisors is an integer number (17460856224).

Almost surely, 2^138916750339 is an apocalyptic number.

138916750339 is a deficient number, since it is larger than the sum of its proper divisors (770099453).

138916750339 is a wasteful number, since it uses less digits than its factorization.

138916750339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223037.

The product of its (nonzero) digits is 3674160, while the sum is 55.

The spelling of 138916750339 in words is "one hundred thirty-eight billion, nine hundred sixteen million, seven hundred fifty thousand, three hundred thirty-nine".