140422 has 8 divisors (see below), whose sum is σ = 214272.
Its totient is φ = 69000.
The previous prime is 140419. The next prime is 140423. The reversal of 140422 is 224041.
Adding to 140422 its reverse (224041), we get a palindrome (364463).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140423) 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, 454 + ... + 697.
It is an arithmetic number, because the mean of its divisors is an integer number (26784).
2140422 is an apocalyptic number.
140422 is a deficient number, since it is larger than the sum of its proper divisors (73850).
140422 is a wasteful number, since it uses less digits than its factorization.
140422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1214.
The product of its (nonzero) digits is 64, while the sum is 13.
The square root of 140422 is about 374.7292355822.
The cubic root of 140422 is about 51.9770608881.
The spelling of 140422 in words is "one hundred forty thousand, four hundred twenty-two", and thus it is an iban number.