140555653 has 8 divisors (see below), whose sum is σ = 162440640. Its totient is φ = 119122080.

The previous prime is 140555627. The next prime is 140555669. The reversal of 140555653 is 356555041.

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

It is not a de Polignac number, because 140555653 - 2¹³ = 140547461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140555693) 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, 112183 + ... + 113428.

It is an arithmetic number, because the mean of its divisors is an integer number (20305080).

Almost surely, 2^140555653 is an apocalyptic number.

It is an amenable number.

140555653 is a deficient number, since it is larger than the sum of its proper divisors (21884987).

140555653 is an equidigital number, since it uses as much as digits as its factorization.

140555653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225707.

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 140555653 is about 11855.6169388185. The cubic root of 140555653 is about 519.9354616649.

The spelling of 140555653 in words is "one hundred forty million, five hundred fifty-five thousand, six hundred fifty-three".