39144071 has 2 divisors, whose sum is σ = 39144072. Its totient is φ = 39144070.

The previous prime is 39144023. The next prime is 39144089. The reversal of 39144071 is 17044193.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39144071 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39144011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19572035 + 19572036.

It is an arithmetic number, because the mean of its divisors is an integer number (19572036).

Almost surely, 2^39144071 is an apocalyptic number.

39144071 is a deficient number, since it is larger than the sum of its proper divisors (1).

39144071 is an equidigital number, since it uses as much as digits as its factorization.

39144071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 39144071 is about 6256.5222767924. The cubic root of 39144071 is about 339.5382168105.

It can be divided in two parts, 391440 and 71, that multiplied together give a triangular number (27792240 = T₇₄₅₅).

The spelling of 39144071 in words is "thirty-nine million, one hundred forty-four thousand, seventy-one".