140555213 has 8 divisors (see below), whose sum is σ = 143085600. Its totient is φ = 138037680.

The previous prime is 140555203. The next prime is 140555227. The reversal of 140555213 is 312555041.

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

It is a cyclic number.

It is not a de Polignac number, because 140555213 - 2⁴ = 140555197 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 (140555203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20378 + ... + 26388.

It is an arithmetic number, because the mean of its divisors is an integer number (17885700).

Almost surely, 2^140555213 is an apocalyptic number.

It is an amenable number.

140555213 is a deficient number, since it is larger than the sum of its proper divisors (2530387).

140555213 is an equidigital number, since it uses as much as digits as its factorization.

140555213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6427.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 140555213 is about 11855.5983821990. The cubic root of 140555213 is about 519.9349191234.

The spelling of 140555213 in words is "one hundred forty million, five hundred fifty-five thousand, two hundred thirteen".