39143141 has 4 divisors (see below), whose sum is σ = 39188652. Its totient is φ = 39097632.

The previous prime is 39143131. The next prime is 39143149. The reversal of 39143141 is 14134193.

39143141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 33756100 + 5387041 = 5810^2 + 2321^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39143141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39143141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39143149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21440 + ... + 23193.

It is an arithmetic number, because the mean of its divisors is an integer number (9797163).

Almost surely, 2^39143141 is an apocalyptic number.

It is an amenable number.

39143141 is a deficient number, since it is larger than the sum of its proper divisors (45511).

39143141 is an equidigital number, since it uses as much as digits as its factorization.

39143141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45510.

The product of its digits is 1296, while the sum is 26.

The square root of 39143141 is about 6256.4479539112. The cubic root of 39143141 is about 339.5355278291.

The spelling of 39143141 in words is "thirty-nine million, one hundred forty-three thousand, one hundred forty-one".