140332605 has 64 divisors (see below), whose sum is σ = 264757248. Its totient is φ = 62150400.

The previous prime is 140332597. The next prime is 140332609. The reversal of 140332605 is 506233041.

It is a happy number.

It is not a de Polignac number, because 140332605 - 2³ = 140332597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140332609) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 840232 + ... + 840398.

It is an arithmetic number, because the mean of its divisors is an integer number (4136832).

Almost surely, 2^140332605 is an apocalyptic number.

140332605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140332605 is a deficient number, since it is larger than the sum of its proper divisors (124424643).

140332605 is a wasteful number, since it uses less digits than its factorization.

140332605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 140332605 is about 11846.2063547787. The cubic root of 140332605 is about 519.6602872384.

Adding to 140332605 its reverse (506233041), we get a palindrome (646565646).

The spelling of 140332605 in words is "one hundred forty million, three hundred thirty-two thousand, six hundred five".