127838013403 has 4 divisors (see below), whose sum is σ = 127954975168. Its totient is φ = 127721051640.

The previous prime is 127838013377. The next prime is 127838013419. The reversal of 127838013403 is 304310838721.

It is a happy number.

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 127838013403 - 2⁹ = 127838012891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127838013463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58479243 + ... + 58481428.

It is an arithmetic number, because the mean of its divisors is an integer number (31988743792).

Almost surely, 2^127838013403 is an apocalyptic number.

127838013403 is a deficient number, since it is larger than the sum of its proper divisors (116961765).

127838013403 is a wasteful number, since it uses less digits than its factorization.

127838013403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116961764.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 127838013403 in words is "one hundred twenty-seven billion, eight hundred thirty-eight million, thirteen thousand, four hundred three".