140375717 has 2 divisors, whose sum is σ = 140375718. Its totient is φ = 140375716.

The previous prime is 140375687. The next prime is 140375737. The reversal of 140375717 is 717573041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75186241 + 65189476 = 8671^2 + 8074^2 .

It is a cyclic number.

It is not a de Polignac number, because 140375717 - 2²⁰ = 139327141 is a prime.

It is equal to p_7932194 and since 140375717 and 7932194 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140375737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70187858 + 70187859.

It is an arithmetic number, because the mean of its divisors is an integer number (70187859).

Almost surely, 2^140375717 is an apocalyptic number.

It is an amenable number.

140375717 is a deficient number, since it is larger than the sum of its proper divisors (1).

140375717 is an equidigital number, since it uses as much as digits as its factorization.

140375717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 140375717 is about 11848.0258693168. The cubic root of 140375717 is about 519.7134972544.

The spelling of 140375717 in words is "one hundred forty million, three hundred seventy-five thousand, seven hundred seventeen".