140345997242 has 16 divisors (see below), whose sum is σ = 229892185152. Its totient is φ = 63728329920.

The previous prime is 140345997241. The next prime is 140345997251. The reversal of 140345997242 is 242799543041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (140345997241) 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, 3243278 + ... + 3286265.

It is an arithmetic number, because the mean of its divisors is an integer number (14368261572).

Almost surely, 2^140345997242 is an apocalyptic number.

140345997242 is a deficient number, since it is larger than the sum of its proper divisors (89546187910).

140345997242 is a wasteful number, since it uses less digits than its factorization.

140345997242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6530533.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 140345997242 in words is "one hundred forty billion, three hundred forty-five million, nine hundred ninety-seven thousand, two hundred forty-two".