140233210341421 has 4 divisors (see below), whose sum is σ = 140233576705344. Its totient is φ = 140232843977500.

The previous prime is 140233210341361. The next prime is 140233210341473. The reversal of 140233210341421 is 124143012332041.

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 140233210341421 - 2¹⁷ = 140233210210349 is a prime.

It is a super-2 number, since 2×140233210341421² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140233210341481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182607205 + ... + 183373546.

It is an arithmetic number, because the mean of its divisors is an integer number (35058394176336).

Almost surely, 2^{140233210341421} is an apocalyptic number.

It is an amenable number.

140233210341421 is a deficient number, since it is larger than the sum of its proper divisors (366363923).

140233210341421 is an equidigital number, since it uses as much as digits as its factorization.

140233210341421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366363922.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 140233210341421 its reverse (124143012332041), we get a palindrome (264376222673462).

The spelling of 140233210341421 in words is "one hundred forty trillion, two hundred thirty-three billion, two hundred ten million, three hundred forty-one thousand, four hundred twenty-one".