140645711 has 2 divisors, whose sum is σ = 140645712. Its totient is φ = 140645710.

The previous prime is 140645689. The next prime is 140645723. The reversal of 140645711 is 117546041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140645711 - 2¹⁰ = 140644687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140645731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70322855 + 70322856.

It is an arithmetic number, because the mean of its divisors is an integer number (70322856).

Almost surely, 2^140645711 is an apocalyptic number.

140645711 is a deficient number, since it is larger than the sum of its proper divisors (1).

140645711 is an equidigital number, since it uses as much as digits as its factorization.

140645711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 140645711 is about 11859.4144459160. The cubic root of 140645711 is about 520.0464837637.

The spelling of 140645711 in words is "one hundred forty million, six hundred forty-five thousand, seven hundred eleven".