939487189141 has 4 divisors (see below), whose sum is σ = 939567629484. Its totient is φ = 939406748800.

The previous prime is 939487189127. The next prime is 939487189153. The reversal of 939487189141 is 141981784939.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 281620201041 + 657866988100 = 530679^2 + 811090^2 .

It is a cyclic number.

It is not a de Polignac number, because 939487189141 - 2³⁷ = 802048235669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (939487189111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40202650 + ... + 40226011.

It is an arithmetic number, because the mean of its divisors is an integer number (234891907371).

Almost surely, 2^939487189141 is an apocalyptic number.

It is an amenable number.

939487189141 is a deficient number, since it is larger than the sum of its proper divisors (80440343).

939487189141 is a wasteful number, since it uses less digits than its factorization.

939487189141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80440342.

The product of its digits is 15676416, while the sum is 64.

The spelling of 939487189141 in words is "nine hundred thirty-nine billion, four hundred eighty-seven million, one hundred eighty-nine thousand, one hundred forty-one".