140340422 has 8 divisors (see below), whose sum is σ = 221590200. Its totient is φ = 66477024.

The previous prime is 140340407. The next prime is 140340427. The reversal of 140340422 is 224043041.

140340422 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 junction number, because it is equal to n+sod(n) for n = 140340394 and 140340403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140340427) 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, 1846547 + ... + 1846622.

It is an arithmetic number, because the mean of its divisors is an integer number (27698775).

Almost surely, 2^140340422 is an apocalyptic number.

140340422 is a deficient number, since it is larger than the sum of its proper divisors (81249778).

140340422 is a wasteful number, since it uses less digits than its factorization.

140340422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3693190.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 140340422 is about 11846.5362870334. The cubic root of 140340422 is about 519.6699360035.

Adding to 140340422 its reverse (224043041), we get a palindrome (364383463).

The spelling of 140340422 in words is "one hundred forty million, three hundred forty thousand, four hundred twenty-two".