140021223241 has 4 divisors (see below), whose sum is σ = 141329832912. Its totient is φ = 138712613572.

The previous prime is 140021223151. The next prime is 140021223257. The reversal of 140021223241 is 142322120041.

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 140021223241 - 2⁹ = 140021222729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140021224241) 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, 654304675 + ... + 654304888.

It is an arithmetic number, because the mean of its divisors is an integer number (35332458228).

Almost surely, 2^140021223241 is an apocalyptic number.

It is an amenable number.

140021223241 is a deficient number, since it is larger than the sum of its proper divisors (1308609671).

140021223241 is a wasteful number, since it uses less digits than its factorization.

140021223241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308609670.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 140021223241 its reverse (142322120041), we get a palindrome (282343343282).

The spelling of 140021223241 in words is "one hundred forty billion, twenty-one million, two hundred twenty-three thousand, two hundred forty-one".