138368514 has 16 divisors (see below), whose sum is σ = 278338752. Its totient is φ = 45855888.

The previous prime is 138368509. The next prime is 138368537. The reversal of 138368514 is 415863831.

138368514 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 65614 + ... + 67689.

It is an arithmetic number, because the mean of its divisors is an integer number (17396172).

Almost surely, 2^138368514 is an apocalyptic number.

138368514 is an abundant number, since it is smaller than the sum of its proper divisors (139970238).

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

138368514 is a wasteful number, since it uses less digits than its factorization.

138368514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133481.

The product of its digits is 69120, while the sum is 39.

The square root of 138368514 is about 11763.0146646172. The cubic root of 138368514 is about 517.2245045808.

The spelling of 138368514 in words is "one hundred thirty-eight million, three hundred sixty-eight thousand, five hundred fourteen".