140365605 has 16 divisors (see below), whose sum is σ = 230655744. Its totient is φ = 72838080.

The previous prime is 140365579. The next prime is 140365609. The reversal of 140365605 is 506563041.

It is not a de Polignac number, because 140365605 - 2¹² = 140361509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140365609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125901 + ... + 127010.

It is an arithmetic number, because the mean of its divisors is an integer number (14415984).

Almost surely, 2^140365605 is an apocalyptic number.

140365605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140365605 is a deficient number, since it is larger than the sum of its proper divisors (90290139).

140365605 is a wasteful number, since it uses less digits than its factorization.

140365605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252956.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 140365605 is about 11847.5991238732. The cubic root of 140365605 is about 519.7010177240.

The spelling of 140365605 in words is "one hundred forty million, three hundred sixty-five thousand, six hundred five".