140803965 has 24 divisors (see below), whose sum is σ = 256907040. Its totient is φ = 71142624.

The previous prime is 140803951. The next prime is 140803967. The reversal of 140803965 is 569308041.

It is not a de Polignac number, because 140803965 - 2⁷ = 140803837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140803967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81487 + ... + 83196.

It is an arithmetic number, because the mean of its divisors is an integer number (10704460).

Almost surely, 2^140803965 is an apocalyptic number.

140803965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140803965 is a deficient number, since it is larger than the sum of its proper divisors (116103075).

140803965 is a wasteful number, since it uses less digits than its factorization.

140803965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164713 (or 164710 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 140803965 is about 11866.0846533303. The cubic root of 140803965 is about 520.2414620707.

The spelling of 140803965 in words is "one hundred forty million, eight hundred three thousand, nine hundred sixty-five".