138053712 has 20 divisors (see below), whose sum is σ = 356638880. Its totient is φ = 46017888.

The previous prime is 138053653. The next prime is 138053737. The reversal of 138053712 is 217350831.

138053712 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 138053712.

It is a congruent number.

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, 1438012 + ... + 1438107.

It is an arithmetic number, because the mean of its divisors is an integer number (17831944).

Almost surely, 2^138053712 is an apocalyptic number.

138053712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

138053712 is an abundant number, since it is smaller than the sum of its proper divisors (218585168).

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

138053712 is a wasteful number, since it uses less digits than its factorization.

138053712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2876130 (or 2876124 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 138053712 is about 11749.6260366022. The cubic root of 138053712 is about 516.8319611720.

The spelling of 138053712 in words is "one hundred thirty-eight million, fifty-three thousand, seven hundred twelve".