140343425305 has 8 divisors (see below), whose sum is σ = 169020097992. Its totient is φ = 111869415168.

The previous prime is 140343425303. The next prime is 140343425317. The reversal of 140343425305 is 503524343041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6878877721 + 133464547584 = 82939^2 + 365328^2 .

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 140343425305 - 2¹ = 140343425303 is a prime.

It is a super-2 number, since 2×140343425305² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140343425303) 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, 50664112 + ... + 50666881.

It is an arithmetic number, because the mean of its divisors is an integer number (21127512249).

Almost surely, 2^140343425305 is an apocalyptic number.

It is an amenable number.

140343425305 is a deficient number, since it is larger than the sum of its proper divisors (28676672687).

140343425305 is a wasteful number, since it uses less digits than its factorization.

140343425305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101331275.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 140343425305 its reverse (503524343041), we get a palindrome (643867768346).

The spelling of 140343425305 in words is "one hundred forty billion, three hundred forty-three million, four hundred twenty-five thousand, three hundred five".