938135603 has 4 divisors (see below), whose sum is σ = 944884920. Its totient is φ = 931386288.

The previous prime is 938135593. The next prime is 938135623. The reversal of 938135603 is 306531839.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 938135603 - 2²⁴ = 921358387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (938135623) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3374450 + ... + 3374727.

It is an arithmetic number, because the mean of its divisors is an integer number (236221230).

Almost surely, 2^938135603 is an apocalyptic number.

938135603 is a deficient number, since it is larger than the sum of its proper divisors (6749317).

938135603 is a wasteful number, since it uses less digits than its factorization.

938135603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6749316.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 938135603 is about 30628.9993796729. Note that the first 3 decimals coincide. The cubic root of 938135603 is about 978.9380426915.

Adding to 938135603 its sum of digits (38), we get a square (938135641 = 30629²).

The spelling of 938135603 in words is "nine hundred thirty-eight million, one hundred thirty-five thousand, six hundred three".