138017650288 has 40 divisors (see below), whose sum is σ = 306062098272. Its totient is φ = 59063017728.

The previous prime is 138017650279. The next prime is 138017650319. The reversal of 138017650288 is 882056710831.

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, 834295 + ... + 985942.

Almost surely, 2^138017650288 is an apocalyptic number.

It is an amenable number.

138017650288 is an abundant number, since it is smaller than the sum of its proper divisors (168044447984).

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

138017650288 is a wasteful number, since it uses less digits than its factorization.

138017650288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820929 (or 1820923 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 49.

The spelling of 138017650288 in words is "one hundred thirty-eight billion, seventeen million, six hundred fifty thousand, two hundred eighty-eight".