138068374 has 8 divisors (see below), whose sum is σ = 210193848. Its totient is φ = 68003760.

The previous prime is 138068363. The next prime is 138068377. The reversal of 138068374 is 473860831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138068377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515047 + ... + 515314.

It is an arithmetic number, because the mean of its divisors is an integer number (26274231).

Almost surely, 2^138068374 is an apocalyptic number.

138068374 is a deficient number, since it is larger than the sum of its proper divisors (72125474).

138068374 is a wasteful number, since it uses less digits than its factorization.

138068374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030430.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 138068374 is about 11750.2499547882. The cubic root of 138068374 is about 516.8502572440.

The spelling of 138068374 in words is "one hundred thirty-eight million, sixty-eight thousand, three hundred seventy-four".