138051768 has 16 divisors (see below), whose sum is σ = 345129480. Its totient is φ = 46017248.

The previous prime is 138051743. The next prime is 138051769. The reversal of 138051768 is 867150831.

138051768 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138051769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2876055 + ... + 2876102.

Almost surely, 2^138051768 is an apocalyptic number.

It is an amenable number.

138051768 is an abundant number, since it is smaller than the sum of its proper divisors (207077712).

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

138051768 is a wasteful number, since it uses less digits than its factorization.

138051768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5752166 (or 5752162 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 138051768 is about 11749.5433102738. The cubic root of 138051768 is about 516.8295352417.

The spelling of 138051768 in words is "one hundred thirty-eight million, fifty-one thousand, seven hundred sixty-eight".