140536605 has 32 divisors (see below), whose sum is σ = 245887488. Its totient is φ = 67976000.

The previous prime is 140536589. The next prime is 140536661. The reversal of 140536605 is 506635041.

It is not a de Polignac number, because 140536605 - 2⁴ = 140536589 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96130 + ... + 97580.

It is an arithmetic number, because the mean of its divisors is an integer number (7683984).

Almost surely, 2^140536605 is an apocalyptic number.

140536605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140536605 is a deficient number, since it is larger than the sum of its proper divisors (105350883).

140536605 is a wasteful number, since it uses less digits than its factorization.

140536605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057.

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

The square root of 140536605 is about 11854.8135793019. The cubic root of 140536605 is about 519.9119735118.

It can be divided in two parts, 140536 and 605, that added together give a palindrome (141141).

The spelling of 140536605 in words is "one hundred forty million, five hundred thirty-six thousand, six hundred five".