140227653 has 4 divisors (see below), whose sum is σ = 186970208. Its totient is φ = 93485100.

The previous prime is 140227643. The next prime is 140227691. The reversal of 140227653 is 356722041.

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 not a de Polignac number, because 140227653 - 2⁶ = 140227589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140227653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140227603) 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 3 ways as a sum of consecutive naturals, for example, 23371273 + ... + 23371278.

It is an arithmetic number, because the mean of its divisors is an integer number (46742552).

Almost surely, 2^140227653 is an apocalyptic number.

It is an amenable number.

140227653 is a deficient number, since it is larger than the sum of its proper divisors (46742555).

140227653 is an equidigital number, since it uses as much as digits as its factorization.

140227653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46742554.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 140227653 is about 11841.7757536613. The cubic root of 140227653 is about 519.5307070209.

Adding to 140227653 its reverse (356722041), we get a palindrome (496949694).

The spelling of 140227653 in words is "one hundred forty million, two hundred twenty-seven thousand, six hundred fifty-three".