143944037113 has 2 divisors, whose sum is σ = 143944037114. Its totient is φ = 143944037112.

The previous prime is 143944037077. The next prime is 143944037129. The reversal of 143944037113 is 311730449341.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128786241424 + 15157795689 = 358868^2 + 123117^2 .

It is an emirp because it is prime and its reverse (311730449341) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143944037113 is a prime.

It is not a weakly prime, because it can be changed into another prime (143944037143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71972018556 + 71972018557.

It is an arithmetic number, because the mean of its divisors is an integer number (71972018557).

Almost surely, 2^143944037113 is an apocalyptic number.

It is an amenable number.

143944037113 is a deficient number, since it is larger than the sum of its proper divisors (1).

143944037113 is an equidigital number, since it uses as much as digits as its factorization.

143944037113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 143944037113 in words is "one hundred forty-three billion, nine hundred forty-four million, thirty-seven thousand, one hundred thirteen".