140304131242 has 16 divisors (see below), whose sum is σ = 229803386400. Its totient is φ = 63714936240.

The previous prime is 140304131203. The next prime is 140304131243. The reversal of 140304131242 is 242131403041.

It is not an unprimeable number, because it can be changed into a prime (140304131243) 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, 2959392 + ... + 3006427.

It is an arithmetic number, because the mean of its divisors is an integer number (14362711650).

Almost surely, 2^140304131242 is an apocalyptic number.

140304131242 is a deficient number, since it is larger than the sum of its proper divisors (89499255158).

140304131242 is a wasteful number, since it uses less digits than its factorization.

140304131242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5966901.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 140304131242 its reverse (242131403041), we get a palindrome (382435534283).

The spelling of 140304131242 in words is "one hundred forty billion, three hundred four million, one hundred thirty-one thousand, two hundred forty-two".