140302065 has 16 divisors (see below), whose sum is σ = 224812800. Its totient is φ = 74717952.

The previous prime is 140302051. The next prime is 140302079. The reversal of 140302065 is 560203041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (140302051) and next prime (140302079).

It is not a de Polignac number, because 140302065 - 2⁴ = 140302049 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4281 + ... + 17289.

It is an arithmetic number, because the mean of its divisors is an integer number (14050800).

Almost surely, 2^140302065 is an apocalyptic number.

140302065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140302065 is a deficient number, since it is larger than the sum of its proper divisors (84510735).

140302065 is a wasteful number, since it uses less digits than its factorization.

140302065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13736.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 140302065 is about 11844.9172643797. The cubic root of 140302065 is about 519.6225873359.

The spelling of 140302065 in words is "one hundred forty million, three hundred two thousand, sixty-five".