138763750378 has 16 divisors (see below), whose sum is σ = 227074985280. Its totient is φ = 63072479200.

The previous prime is 138763750313. The next prime is 138763750399. The reversal of 138763750378 is 873057367831.

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, 821283 + ... + 975721.

It is an arithmetic number, because the mean of its divisors is an integer number (14192186580).

Almost surely, 2^138763750378 is an apocalyptic number.

138763750378 is a deficient number, since it is larger than the sum of its proper divisors (88311234902).

138763750378 is a wasteful number, since it uses less digits than its factorization.

138763750378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195293.

The product of its (nonzero) digits is 17781120, while the sum is 58.

The spelling of 138763750378 in words is "one hundred thirty-eight billion, seven hundred sixty-three million, seven hundred fifty thousand, three hundred seventy-eight".