140430311223442 has 8 divisors (see below), whose sum is σ = 210645882618300. Its totient is φ = 70215017017344.

The previous prime is 140430311223407. The next prime is 140430311223451. The reversal of 140430311223442 is 244322113034041.

It can be written as a sum of positive squares in 2 ways, for example, as 138845711124961 + 1584600098481 = 11783281^2 + 1258809^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 140430311223398 and 140430311223407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68025967 + ... + 70059922.

Almost surely, 2^{140430311223442} is an apocalyptic number.

140430311223442 is a deficient number, since it is larger than the sum of its proper divisors (70215571394858).

140430311223442 is a wasteful number, since it uses less digits than its factorization.

140430311223442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138594380.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 140430311223442 its reverse (244322113034041), we get a palindrome (384752424257483).

The spelling of 140430311223442 in words is "one hundred forty trillion, four hundred thirty billion, three hundred eleven million, two hundred twenty-three thousand, four hundred forty-two".