39140141 has 2 divisors, whose sum is σ = 39140142. Its totient is φ = 39140140.

The previous prime is 39140131. The next prime is 39140147. The reversal of 39140141 is 14104193.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22705225 + 16434916 = 4765^2 + 4054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39140141 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39140147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19570070 + 19570071.

It is an arithmetic number, because the mean of its divisors is an integer number (19570071).

Almost surely, 2^39140141 is an apocalyptic number.

It is an amenable number.

39140141 is a deficient number, since it is larger than the sum of its proper divisors (1).

39140141 is an equidigital number, since it uses as much as digits as its factorization.

39140141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 39140141 is about 6256.2081966635. The cubic root of 39140141 is about 339.5268534050.

The spelling of 39140141 in words is "thirty-nine million, one hundred forty thousand, one hundred forty-one".