1139894204 has 6 divisors (see below), whose sum is σ = 1994814864. Its totient is φ = 569947100.

The previous prime is 1139894179. The next prime is 1139894207. The reversal of 1139894204 is 4024989311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139894207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142486772 + ... + 142486779.

It is an arithmetic number, because the mean of its divisors is an integer number (332469144).

Almost surely, 2^1139894204 is an apocalyptic number.

It is an amenable number.

1139894204 is a deficient number, since it is larger than the sum of its proper divisors (854920660).

1139894204 is a wasteful number, since it uses less digits than its factorization.

1139894204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284973555 (or 284973553 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 1139894204 is about 33762.3192923709. The cubic root of 1139894204 is about 1044.6116102820.

The spelling of 1139894204 in words is "one billion, one hundred thirty-nine million, eight hundred ninety-four thousand, two hundred four".