1139180018 has 8 divisors (see below), whose sum is σ = 1783064448. Its totient is φ = 544825204.

The previous prime is 1139180011. The next prime is 1139180069. The reversal of 1139180018 is 8100819311.

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

It is a super-3 number, since 3×1139180018³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1139180011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12382346 + ... + 12382437.

It is an arithmetic number, because the mean of its divisors is an integer number (222883056).

Almost surely, 2^1139180018 is an apocalyptic number.

1139180018 is a deficient number, since it is larger than the sum of its proper divisors (643884430).

1139180018 is a wasteful number, since it uses less digits than its factorization.

1139180018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24764808.

The product of its (nonzero) digits is 1728, while the sum is 32.

The square root of 1139180018 is about 33751.7409625044. The cubic root of 1139180018 is about 1044.3934020635.

Adding to 1139180018 its reverse (8100819311), we get a palindrome (9239999329).

It can be divided in two parts, 1139 and 180018, that multiplied together give a palindrome (205040502).

The spelling of 1139180018 in words is "one billion, one hundred thirty-nine million, one hundred eighty thousand, eighteen".