140342022321 has 4 divisors (see below), whose sum is σ = 187122696432. Its totient is φ = 93561348212.

The previous prime is 140342022299. The next prime is 140342022367. The reversal of 140342022321 is 123220243041.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 140342022321 - 2⁷ = 140342022193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140342022291 and 140342022300.

It is not an unprimeable number, because it can be changed into a prime (140342022371) 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, 23390337051 + ... + 23390337056.

It is an arithmetic number, because the mean of its divisors is an integer number (46780674108).

Almost surely, 2^140342022321 is an apocalyptic number.

It is an amenable number.

140342022321 is a deficient number, since it is larger than the sum of its proper divisors (46780674111).

140342022321 is an equidigital number, since it uses as much as digits as its factorization.

140342022321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46780674110.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 140342022321 its reverse (123220243041), we get a palindrome (263562265362).

The spelling of 140342022321 in words is "one hundred forty billion, three hundred forty-two million, twenty-two thousand, three hundred twenty-one".