1139731730918 has 16 divisors (see below), whose sum is σ = 1865031947856. Its totient is φ = 518055325440.

The previous prime is 1139731730909. The next prime is 1139731730927. The reversal of 1139731730918 is 8190371379311.

It is an interprime number because it is at equal distance from previous prime (1139731730909) and next prime (1139731730927).

It is a super-2 number, since 2×1139731730918² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1139731730918.

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 7 ways as a sum of consecutive naturals, for example, 4864430 + ... + 5093342.

It is an arithmetic number, because the mean of its divisors is an integer number (116564496741).

Almost surely, 2^{1139731730918} is an apocalyptic number.

1139731730918 is a deficient number, since it is larger than the sum of its proper divisors (725300216938).

1139731730918 is a wasteful number, since it uses less digits than its factorization.

1139731730918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455239.

The product of its (nonzero) digits is 857304, while the sum is 53.

The spelling of 1139731730918 in words is "one trillion, one hundred thirty-nine billion, seven hundred thirty-one million, seven hundred thirty thousand, nine hundred eighteen".