1938134034 has 16 divisors (see below), whose sum is σ = 4306964640. Its totient is φ = 646044660.

The previous prime is 1938134027. The next prime is 1938134041. The reversal of 1938134034 is 4304318391.

It is an interprime number because it is at equal distance from previous prime (1938134027) and next prime (1938134041).

It is a super-2 number, since 2×1938134034² = 7512727067498226312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1938134034.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17945632 + ... + 17945739.

It is an arithmetic number, because the mean of its divisors is an integer number (269185290).

Almost surely, 2^1938134034 is an apocalyptic number.

1938134034 is an abundant number, since it is smaller than the sum of its proper divisors (2368830606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1938134034 is a wasteful number, since it uses less digits than its factorization.

1938134034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35891382 (or 35891376 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1938134034 is about 44024.2437073029. The cubic root of 1938134034 is about 1246.7937100489.

The spelling of 1938134034 in words is "one billion, nine hundred thirty-eight million, one hundred thirty-four thousand, thirty-four".