39937141 has 2 divisors, whose sum is σ = 39937142. Its totient is φ = 39937140.

The previous prime is 39937133. The next prime is 39937187. The reversal of 39937141 is 14173993.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30846916 + 9090225 = 5554^2 + 3015^2 .

It is a cyclic number.

It is not a de Polignac number, because 39937141 - 2³ = 39937133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39937141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39937741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19968570 + 19968571.

It is an arithmetic number, because the mean of its divisors is an integer number (19968571).

Almost surely, 2^39937141 is an apocalyptic number.

It is an amenable number.

39937141 is a deficient number, since it is larger than the sum of its proper divisors (1).

39937141 is an equidigital number, since it uses as much as digits as its factorization.

39937141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 37.

The square root of 39937141 is about 6319.5839261774. The cubic root of 39937141 is about 341.8159497823.

The spelling of 39937141 in words is "thirty-nine million, nine hundred thirty-seven thousand, one hundred forty-one".