138094916 has 12 divisors (see below), whose sum is σ = 242566380. Its totient is φ = 68790240.

The previous prime is 138094877. The next prime is 138094919. The reversal of 138094916 is 619490831.

It can be written as a sum of positive squares in 2 ways, for example, as 65674816 + 72420100 = 8104^2 + 8510^2 .

It is not an unprimeable number, because it can be changed into a prime (138094919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63095 + ... + 65246.

It is an arithmetic number, because the mean of its divisors is an integer number (20213865).

Almost surely, 2^138094916 is an apocalyptic number.

It is an amenable number.

138094916 is a deficient number, since it is larger than the sum of its proper divisors (104471464).

138094916 is a wasteful number, since it uses less digits than its factorization.

138094916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128614 (or 128612 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 138094916 is about 11751.3793232965. The cubic root of 138094916 is about 516.8833745567.

The spelling of 138094916 in words is "one hundred thirty-eight million, ninety-four thousand, nine hundred sixteen".