1339143012 has 18 divisors (see below), whose sum is σ = 3385056038. Its totient is φ = 446380992.

The previous prime is 1339143011. The next prime is 1339143017. The reversal of 1339143012 is 2103419331.

1339143012 is a `hidden beast` number, since 133 + 91 + 430 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 934891776 + 404251236 = 30576^2 + 20106^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×1339143012³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1339143011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18599173 + ... + 18599244.

Almost surely, 2^1339143012 is an apocalyptic number.

1339143012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1339143012 is an abundant number, since it is smaller than the sum of its proper divisors (2045913026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1339143012 is a wasteful number, since it uses less digits than its factorization.

1339143012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37198427 (or 37198422 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1339143012 is about 36594.3029992375. The cubic root of 1339143012 is about 1102.2386947634.

The spelling of 1339143012 in words is "one billion, three hundred thirty-nine million, one hundred forty-three thousand, twelve".