140321422 has 32 divisors (see below), whose sum is σ = 227538720. Its totient is φ = 64876032.

The previous prime is 140321399. The next prime is 140321437. The reversal of 140321422 is 224123041.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 140321422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 726958 + ... + 727150.

It is an arithmetic number, because the mean of its divisors is an integer number (7110585).

Almost surely, 2^140321422 is an apocalyptic number.

140321422 is a deficient number, since it is larger than the sum of its proper divisors (87217298).

140321422 is an equidigital number, since it uses as much as digits as its factorization.

140321422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 140321422 is about 11845.7343377268. The cubic root of 140321422 is about 519.6464830922.

Adding to 140321422 its reverse (224123041), we get a palindrome (364444463).

The spelling of 140321422 in words is "one hundred forty million, three hundred twenty-one thousand, four hundred twenty-two".