138416016 has 20 divisors (see below), whose sum is σ = 357574832. Its totient is φ = 46138656.

The previous prime is 138416009. The next prime is 138416017. The reversal of 138416016 is 610614831.

It is not an unprimeable number, because it can be changed into a prime (138416017) 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, 1441786 + ... + 1441881.

Almost surely, 2^138416016 is an apocalyptic number.

138416016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

138416016 is an abundant number, since it is smaller than the sum of its proper divisors (219158816).

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

138416016 is a wasteful number, since it uses less digits than its factorization.

138416016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883678 (or 2883672 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 138416016 is about 11765.0336166116. The cubic root of 138416016 is about 517.2836856442.

The spelling of 138416016 in words is "one hundred thirty-eight million, four hundred sixteen thousand, sixteen".