138328633326 has 16 divisors (see below), whose sum is σ = 297938595024. Its totient is φ = 42562656384.

The previous prime is 138328633283. The next prime is 138328633369. The reversal of 138328633326 is 623336823831.

It is an interprime number because it is at equal distance from previous prime (138328633283) and next prime (138328633369).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 886721931 + ... + 886722086.

It is an arithmetic number, because the mean of its divisors is an integer number (18621162189).

Almost surely, 2^138328633326 is an apocalyptic number.

138328633326 is an abundant number, since it is smaller than the sum of its proper divisors (159609961698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138328633326 is a wasteful number, since it uses less digits than its factorization.

138328633326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773444035.

The product of its digits is 2239488, while the sum is 48.

The spelling of 138328633326 in words is "one hundred thirty-eight billion, three hundred twenty-eight million, six hundred thirty-three thousand, three hundred twenty-six".