1139363998 has 16 divisors (see below), whose sum is σ = 1742176080. Its totient is φ = 558726336.

The previous prime is 1139363993. The next prime is 1139363999. The reversal of 1139363998 is 8993639311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139363993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4336 + ... + 47932.

It is an arithmetic number, because the mean of its divisors is an integer number (108886005).

Almost surely, 2^1139363998 is an apocalyptic number.

1139363998 is a deficient number, since it is larger than the sum of its proper divisors (602812082).

1139363998 is a wasteful number, since it uses less digits than its factorization.

1139363998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43851.

The product of its digits is 944784, while the sum is 52.

The square root of 1139363998 is about 33754.4663415081. The cubic root of 1139363998 is about 1044.4496229569.

The spelling of 1139363998 in words is "one billion, one hundred thirty-nine million, three hundred sixty-three thousand, nine hundred ninety-eight".