1139486198 has 8 divisors (see below), whose sum is σ = 1709874408. Its totient is φ = 569528064.

The previous prime is 1139486143. The next prime is 1139486233. The reversal of 1139486198 is 8916849311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 100811 + ... + 111542.

It is an arithmetic number, because the mean of its divisors is an integer number (213734301).

Almost surely, 2^1139486198 is an apocalyptic number.

1139486198 is a deficient number, since it is larger than the sum of its proper divisors (570388210).

1139486198 is a wasteful number, since it uses less digits than its factorization.

1139486198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215038.

The product of its digits is 373248, while the sum is 50.

The square root of 1139486198 is about 33756.2764238001. The cubic root of 1139486198 is about 1044.4869616773.

The spelling of 1139486198 in words is "one billion, one hundred thirty-nine million, four hundred eighty-six thousand, one hundred ninety-eight".