1794138038 has 48 divisors (see below), whose sum is σ = 3446744400. Its totient is φ = 692556480.

The previous prime is 1794138037. The next prime is 1794138053. The reversal of 1794138038 is 8308314971.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1794138038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1794138037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109868 + ... + 125136.

It is an arithmetic number, because the mean of its divisors is an integer number (71807175).

Almost surely, 2^1794138038 is an apocalyptic number.

1794138038 is a deficient number, since it is larger than the sum of its proper divisors (1652606362).

1794138038 is a wasteful number, since it uses less digits than its factorization.

1794138038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15405 (or 15398 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 1794138038 is about 42357.2666493012. The cubic root of 1794138038 is about 1215.1184579701.

The spelling of 1794138038 in words is "one billion, seven hundred ninety-four million, one hundred thirty-eight thousand, thirty-eight".