1078194138004 has 6 divisors (see below), whose sum is σ = 1886839741514. Its totient is φ = 539097069000.

The previous prime is 1078194138001. The next prime is 1078194138031. The reversal of 1078194138004 is 4008314918701.

It is a happy number.

1078194138004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 722751621904 + 355442516100 = 850148^2 + 596190^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078194138001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134774267247 + ... + 134774267254.

Almost surely, 2^{1078194138004} is an apocalyptic number.

It is an amenable number.

1078194138004 is a deficient number, since it is larger than the sum of its proper divisors (808645603510).

1078194138004 is a wasteful number, since it uses less digits than its factorization.

1078194138004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269548534505 (or 269548534503 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 46.

The spelling of 1078194138004 in words is "one trillion, seventy-eight billion, one hundred ninety-four million, one hundred thirty-eight thousand, four".