1938134035 has 4 divisors (see below), whose sum is σ = 2325760848. Its totient is φ = 1550507224.

The previous prime is 1938134027. The next prime is 1938134041. The reversal of 1938134035 is 5304318391.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5304318391 = 4649 ⋅1140959.

It is a cyclic number.

It is not a de Polignac number, because 1938134035 - 2³ = 1938134027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1938133985 and 1938134003.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193813399 + ... + 193813408.

It is an arithmetic number, because the mean of its divisors is an integer number (581440212).

Almost surely, 2^1938134035 is an apocalyptic number.

1938134035 is a deficient number, since it is larger than the sum of its proper divisors (387626813).

1938134035 is an equidigital number, since it uses as much as digits as its factorization.

1938134035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387626812.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 1938134035 is about 44024.2437186603. The cubic root of 1938134035 is about 1246.7937102634.

The spelling of 1938134035 in words is "one billion, nine hundred thirty-eight million, one hundred thirty-four thousand, thirty-five".