140421323331 has 32 divisors (see below), whose sum is σ = 221876642880. Its totient is φ = 87464337408.

The previous prime is 140421323291. The next prime is 140421323377. The reversal of 140421323331 is 133323124041.

It is a happy number.

140421323331 is a `hidden beast` number, since 1 + 4 + 0 + 4 + 2 + 1 + 323 + 331 = 666.

It is not a de Polignac number, because 140421323331 - 2¹⁷ = 140421192259 is a prime.

It is a super-2 number, since 2×140421323331² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 140421323295 and 140421323304.

It is not an unprimeable number, because it can be changed into a prime (140421323531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1053646 + ... + 1179411.

It is an arithmetic number, because the mean of its divisors is an integer number (6933645090).

Almost surely, 2^140421323331 is an apocalyptic number.

140421323331 is a deficient number, since it is larger than the sum of its proper divisors (81455319549).

140421323331 is a wasteful number, since it uses less digits than its factorization.

140421323331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233220 (or 2233214 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 140421323331 its reverse (133323124041), we get a palindrome (273744447372).

The spelling of 140421323331 in words is "one hundred forty billion, four hundred twenty-one million, three hundred twenty-three thousand, three hundred thirty-one".