140662065 has 8 divisors (see below), whose sum is σ = 225059328. Its totient is φ = 75019760.

The previous prime is 140662051. The next prime is 140662069. The reversal of 140662065 is 560266041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140662065 - 2⁶ = 140662001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140662069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4688721 + ... + 4688750.

It is an arithmetic number, because the mean of its divisors is an integer number (28132416).

Almost surely, 2^140662065 is an apocalyptic number.

140662065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140662065 is a deficient number, since it is larger than the sum of its proper divisors (84397263).

140662065 is an equidigital number, since it uses as much as digits as its factorization.

140662065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9377479.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 140662065 is about 11860.1039202867. The cubic root of 140662065 is about 520.0666396351.

The spelling of 140662065 in words is "one hundred forty million, six hundred sixty-two thousand, sixty-five".