140622253 has 8 divisors (see below), whose sum is σ = 146933568. Its totient is φ = 134327424.

The previous prime is 140622217. The next prime is 140622277. The reversal of 140622253 is 352226041.

140622253 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140622253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140622203) 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, 15325 + ... + 22717.

It is an arithmetic number, because the mean of its divisors is an integer number (18366696).

Almost surely, 2^140622253 is an apocalyptic number.

It is an amenable number.

140622253 is a deficient number, since it is larger than the sum of its proper divisors (6311315).

140622253 is an equidigital number, since it uses as much as digits as its factorization.

140622253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8243.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 140622253 is about 11858.4254013760. The cubic root of 140622253 is about 520.0175696726.

Adding to 140622253 its reverse (352226041), we get a palindrome (492848294).

The spelling of 140622253 in words is "one hundred forty million, six hundred twenty-two thousand, two hundred fifty-three".