138308014 has 16 divisors (see below), whose sum is σ = 223795152. Its totient is φ = 63727488.

The previous prime is 138308003. The next prime is 138308021. The reversal of 138308014 is 410803831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12582 + ... + 20854.

It is an arithmetic number, because the mean of its divisors is an integer number (13987197).

Almost surely, 2^138308014 is an apocalyptic number.

138308014 is a deficient number, since it is larger than the sum of its proper divisors (85487138).

138308014 is a wasteful number, since it uses less digits than its factorization.

138308014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8931.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 138308014 is about 11760.4427637738. The cubic root of 138308014 is about 517.1491101542.

The spelling of 138308014 in words is "one hundred thirty-eight million, three hundred eight thousand, fourteen".