140430233411242 has 4 divisors (see below), whose sum is σ = 210645350116866. Its totient is φ = 70215116705620.

The previous prime is 140430233411233. The next prime is 140430233411249. The reversal of 140430233411242 is 242114332034041.

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

It can be written as a sum of positive squares in only one way, i.e., 135110424937401 + 5319808473841 = 11623701^2 + 2306471^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140430233411198 and 140430233411207.

It is not an unprimeable number, because it can be changed into a prime (140430233411249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35107558352809 + ... + 35107558352812.

Almost surely, 2^{140430233411242} is an apocalyptic number.

140430233411242 is a deficient number, since it is larger than the sum of its proper divisors (70215116705624).

140430233411242 is an equidigital number, since it uses as much as digits as its factorization.

140430233411242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70215116705623.

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

Adding to 140430233411242 its reverse (242114332034041), we get a palindrome (382544565445283).

The spelling of 140430233411242 in words is "one hundred forty trillion, four hundred thirty billion, two hundred thirty-three million, four hundred eleven thousand, two hundred forty-two".