140421133231 has 8 divisors (see below), whose sum is σ = 144229824144. Its totient is φ = 136613154240.

The previous prime is 140421133201. The next prime is 140421133243. The reversal of 140421133231 is 132331124041.

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

It is a cyclic number.

It is not a de Polignac number, because 140421133231 - 2⁵ = 140421133199 is a prime.

It is a super-2 number, since 2×140421133231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140421133196 and 140421133205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140421133201) 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, 234651 + ... + 579571.

It is an arithmetic number, because the mean of its divisors is an integer number (18028728018).

Almost surely, 2^140421133231 is an apocalyptic number.

140421133231 is a deficient number, since it is larger than the sum of its proper divisors (3808690913).

140421133231 is a wasteful number, since it uses less digits than its factorization.

140421133231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355961.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 140421133231 its reverse (132331124041), we get a palindrome (272752257272).

The spelling of 140421133231 in words is "one hundred forty billion, four hundred twenty-one million, one hundred thirty-three thousand, two hundred thirty-one".