138650416 has 10 divisors (see below), whose sum is σ = 268635212. Its totient is φ = 69325200.

The previous prime is 138650387. The next prime is 138650437. The reversal of 138650416 is 614056831.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4332810 + ... + 4332841.

Almost surely, 2^138650416 is an apocalyptic number.

138650416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

138650416 is a deficient number, since it is larger than the sum of its proper divisors (129984796).

138650416 is an equidigital number, since it uses as much as digits as its factorization.

138650416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8665659 (or 8665653 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 138650416 is about 11774.9911252620. The cubic root of 138650416 is about 517.5755182408.

The spelling of 138650416 in words is "one hundred thirty-eight million, six hundred fifty thousand, four hundred sixteen".