138283516 has 24 divisors (see below), whose sum is σ = 276968160. Its totient is φ = 59178432.

The previous prime is 138283507. The next prime is 138283517. The reversal of 138283516 is 615382831.

138283516 is digitally balanced in base 2, 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 (138283517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18450 + ... + 24838.

It is an arithmetic number, because the mean of its divisors is an integer number (11540340).

Almost surely, 2^138283516 is an apocalyptic number.

It is an amenable number.

138283516 is an abundant number, since it is smaller than the sum of its proper divisors (138684644).

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

138283516 is a wasteful number, since it uses less digits than its factorization.

138283516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7173 (or 7171 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 138283516 is about 11759.4011752300. The cubic root of 138283516 is about 517.1185747653.

The spelling of 138283516 in words is "one hundred thirty-eight million, two hundred eighty-three thousand, five hundred sixteen".