138023003234 has 8 divisors (see below), whose sum is σ = 207038615340. Its totient is φ = 69010131456.

The previous prime is 138023003161. The next prime is 138023003257. The reversal of 138023003234 is 432300320831.

It can be written as a sum of positive squares in 2 ways, for example, as 135214321225 + 2808682009 = 367715^2 + 52997^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 138023003197 and 138023003206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554159 + ... + 763634.

Almost surely, 2^138023003234 is an apocalyptic number.

138023003234 is a deficient number, since it is larger than the sum of its proper divisors (69015612106).

138023003234 is a wasteful number, since it uses less digits than its factorization.

138023003234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370164.

The product of its (nonzero) digits is 10368, while the sum is 29.

The spelling of 138023003234 in words is "one hundred thirty-eight billion, twenty-three million, three thousand, two hundred thirty-four".