1138165794404 has 6 divisors (see below), whose sum is σ = 1991790140214. Its totient is φ = 569082897200.

The previous prime is 1138165794401. The next prime is 1138165794421. The reversal of 1138165794404 is 4044975618311.

It can be written as a sum of positive squares in only one way, i.e., 1062404332900 + 75761461504 = 1030730^2 + 275248^2 .

It is not an unprimeable number, because it can be changed into a prime (1138165794401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142270724297 + ... + 142270724304.

It is an arithmetic number, because the mean of its divisors is an integer number (331965023369).

Almost surely, 2^{1138165794404} is an apocalyptic number.

It is an amenable number.

1138165794404 is a deficient number, since it is larger than the sum of its proper divisors (853624345810).

1138165794404 is a wasteful number, since it uses less digits than its factorization.

1138165794404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284541448605 (or 284541448603 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 1138165794404 in words is "one trillion, one hundred thirty-eight billion, one hundred sixty-five million, seven hundred ninety-four thousand, four hundred four".