138134016 has 120 divisors (see below), whose sum is σ = 411949824. Its totient is φ = 44513280.

The previous prime is 138133999. The next prime is 138134039. The reversal of 138134016 is 610431831.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142365 + ... + 143331.

Almost surely, 2^138134016 is an apocalyptic number.

138134016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 138134016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205974912).

138134016 is an abundant number, since it is smaller than the sum of its proper divisors (273815808).

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

138134016 is an equidigital number, since it uses as much as digits as its factorization.

138134016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022 (or 1003 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 138134016 is about 11753.0428400478. The cubic root of 138134016 is about 516.9321531635.

Adding to 138134016 its reverse (610431831), we get a palindrome (748565847).

The spelling of 138134016 in words is "one hundred thirty-eight million, one hundred thirty-four thousand, sixteen".