140555503 has 8 divisors (see below), whose sum is σ = 157073616. Its totient is φ = 124660800.

The previous prime is 140555497. The next prime is 140555537. The reversal of 140555503 is 305555041.

140555503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 140555503 - 2⁹ = 140554991 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 (140555573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155376 + ... + 156277.

It is an arithmetic number, because the mean of its divisors is an integer number (19634202).

Almost surely, 2^140555503 is an apocalyptic number.

140555503 is a deficient number, since it is larger than the sum of its proper divisors (16518113).

140555503 is a wasteful number, since it uses less digits than its factorization.

140555503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311705.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 140555503 is about 11855.6106127015. The cubic root of 140555503 is about 519.9352767077.

It can be divided in two parts, 1 and 40555503, that added together give a palindrome (40555504).

The spelling of 140555503 in words is "one hundred forty million, five hundred fifty-five thousand, five hundred three".