39935141 has 2 divisors, whose sum is σ = 39935142. Its totient is φ = 39935140.

The previous prime is 39935123. The next prime is 39935143. The reversal of 39935141 is 14153993.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35402500 + 4532641 = 5950^2 + 2129^2 .

It is a cyclic number.

It is not a de Polignac number, because 39935141 - 2¹⁰ = 39934117 is a prime.

Together with 39935143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39935143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19967570 + 19967571.

It is an arithmetic number, because the mean of its divisors is an integer number (19967571).

Almost surely, 2^39935141 is an apocalyptic number.

It is an amenable number.

39935141 is a deficient number, since it is larger than the sum of its proper divisors (1).

39935141 is an equidigital number, since it uses as much as digits as its factorization.

39935141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 35.

The square root of 39935141 is about 6319.4256859306. The cubic root of 39935141 is about 341.8102437879.

The spelling of 39935141 in words is "thirty-nine million, nine hundred thirty-five thousand, one hundred forty-one".