140421012143233 has 4 divisors (see below), whose sum is σ = 140421140008020. Its totient is φ = 140420884278448.

The previous prime is 140421012143183. The next prime is 140421012143249. The reversal of 140421012143233 is 332341210124041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 127457145454864 + 12963866688369 = 11289692^2 + 3600537^2 .

It is a cyclic number.

It is not a de Polignac number, because 140421012143233 - 2³⁷ = 140283573189761 is a prime.

It is a super-4 number, since 4×140421012143233⁴ (a number of 58 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140421012143195 and 140421012143204.

It is not an unprimeable number, because it can be changed into a prime (140421012143833) 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, 62270698 + ... + 64486291.

It is an arithmetic number, because the mean of its divisors is an integer number (35105285002005).

Almost surely, 2^{140421012143233} is an apocalyptic number.

It is an amenable number.

140421012143233 is a deficient number, since it is larger than the sum of its proper divisors (127864787).

140421012143233 is a wasteful number, since it uses less digits than its factorization.

140421012143233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127864786.

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

Adding to 140421012143233 its reverse (332341210124041), we get a palindrome (472762222267274).

The spelling of 140421012143233 in words is "one hundred forty trillion, four hundred twenty-one billion, twelve million, one hundred forty-three thousand, two hundred thirty-three".