138753765415 has 8 divisors (see below), whose sum is σ = 166512117888. Its totient is φ = 110997946080.

The previous prime is 138753765343. The next prime is 138753765463. The reversal of 138753765415 is 514567357831.

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

It is not a de Polignac number, because 138753765415 - 2⁷ = 138753765287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510616 + ... + 733645.

It is an arithmetic number, because the mean of its divisors is an integer number (20814014736).

Almost surely, 2^138753765415 is an apocalyptic number.

138753765415 is a deficient number, since it is larger than the sum of its proper divisors (27758352473).

138753765415 is a wasteful number, since it uses less digits than its factorization.

138753765415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266569.

The product of its digits is 10584000, while the sum is 55.

The spelling of 138753765415 in words is "one hundred thirty-eight billion, seven hundred fifty-three million, seven hundred sixty-five thousand, four hundred fifteen".