140446065 has 16 divisors (see below), whose sum is σ = 224860608. Its totient is φ = 74855616.

The previous prime is 140446049. The next prime is 140446067. The reversal of 140446065 is 560644041.

It is not a de Polignac number, because 140446065 - 2⁴ = 140446049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140446067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44014 + ... + 47096.

It is an arithmetic number, because the mean of its divisors is an integer number (14053788).

Almost surely, 2^140446065 is an apocalyptic number.

140446065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140446065 is a deficient number, since it is larger than the sum of its proper divisors (84414543).

140446065 is a wasteful number, since it uses less digits than its factorization.

140446065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6128.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 140446065 is about 11850.9942620862. The cubic root of 140446065 is about 519.8002993030.

The spelling of 140446065 in words is "one hundred forty million, four hundred forty-six thousand, sixty-five".