140421550241 has 8 divisors (see below), whose sum is σ = 160498852800. Its totient is φ = 120348517968.

The previous prime is 140421550229. The next prime is 140421550249. The reversal of 140421550241 is 142055124041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-140421550241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140421550249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 996791 + ... + 1128908.

It is an arithmetic number, because the mean of its divisors is an integer number (20062356600).

Almost surely, 2^140421550241 is an apocalyptic number.

It is an amenable number.

140421550241 is a deficient number, since it is larger than the sum of its proper divisors (20077302559).

140421550241 is an equidigital number, since it uses as much as digits as its factorization.

140421550241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135143.

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 140421550241 its reverse (142055124041), we get a palindrome (282476674282).

The spelling of 140421550241 in words is "one hundred forty billion, four hundred twenty-one million, five hundred fifty thousand, two hundred forty-one".