1238396938175 has 24 divisors (see below), whose sum is σ = 1568873323776. Its totient is φ = 969274585440.

The previous prime is 1238396938147. The next prime is 1238396938193. The reversal of 1238396938175 is 5718396938321.

It is not a de Polignac number, because 1238396938175 - 2¹⁸ = 1238396676031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2956112 + ... + 3348938.

It is an arithmetic number, because the mean of its divisors is an integer number (65369721824).

Almost surely, 2^{1238396938175} is an apocalyptic number.

1238396938175 is a deficient number, since it is larger than the sum of its proper divisors (330476385601).

1238396938175 is a wasteful number, since it uses less digits than its factorization.

1238396938175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395567 (or 395562 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 65.

The spelling of 1238396938175 in words is "one trillion, two hundred thirty-eight billion, three hundred ninety-six million, nine hundred thirty-eight thousand, one hundred seventy-five".