138764828178703 has 8 divisors (see below), whose sum is σ = 141249527798400. Its totient is φ = 136284553671768.

The previous prime is 138764828178701. The next prime is 138764828178707. The reversal of 138764828178703 is 307871828467831.

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

It is not a de Polignac number, because 138764828178703 - 2¹ = 138764828178701 is a prime.

It is a super-2 number, since 2×138764828178703² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138764828178701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1106214913 + ... + 1106340346.

It is an arithmetic number, because the mean of its divisors is an integer number (17656190974800).

Almost surely, 2^{138764828178703} is an apocalyptic number.

138764828178703 is a deficient number, since it is larger than the sum of its proper divisors (2484699619697).

138764828178703 is a wasteful number, since it uses less digits than its factorization.

138764828178703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212556381.

The product of its (nonzero) digits is 606928896, while the sum is 73.

The spelling of 138764828178703 in words is "one hundred thirty-eight trillion, seven hundred sixty-four billion, eight hundred twenty-eight million, one hundred seventy-eight thousand, seven hundred three".