138337716 has 24 divisors (see below), whose sum is σ = 352132704. Its totient is φ = 41920480.

The previous prime is 138337711. The next prime is 138337733. The reversal of 138337716 is 617733831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138337711) 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, 523875 + ... + 524138.

It is an arithmetic number, because the mean of its divisors is an integer number (14672196).

Almost surely, 2^138337716 is an apocalyptic number.

It is an amenable number.

138337716 is an abundant number, since it is smaller than the sum of its proper divisors (213794988).

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

138337716 is a wasteful number, since it uses less digits than its factorization.

138337716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048031 (or 1048029 counting only the distinct ones).

The product of its digits is 63504, while the sum is 39.

The square root of 138337716 is about 11761.7054885761. The cubic root of 138337716 is about 517.1861272028.

The spelling of 138337716 in words is "one hundred thirty-eight million, three hundred thirty-seven thousand, seven hundred sixteen".