140553213 has 4 divisors (see below), whose sum is σ = 187404288. Its totient is φ = 93702140.

The previous prime is 140553187. The next prime is 140553247. The reversal of 140553213 is 312355041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140553213 - 2⁵ = 140553181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140553913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23425533 + ... + 23425538.

It is an arithmetic number, because the mean of its divisors is an integer number (46851072).

Almost surely, 2^140553213 is an apocalyptic number.

It is an amenable number.

140553213 is a deficient number, since it is larger than the sum of its proper divisors (46851075).

140553213 is an equidigital number, since it uses as much as digits as its factorization.

140553213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46851074.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 140553213 is about 11855.5140335626. The cubic root of 140553213 is about 519.9324530112.

The spelling of 140553213 in words is "one hundred forty million, five hundred fifty-three thousand, two hundred thirteen".