140343140434 has 8 divisors (see below), whose sum is σ = 240588240768. Its totient is φ = 60147060180.

The previous prime is 140343140417. The next prime is 140343140447. The reversal of 140343140434 is 434041343041.

It is a happy number.

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 = 140343140396 and 140343140405.

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, 5012255002 + ... + 5012255029.

It is an arithmetic number, because the mean of its divisors is an integer number (30073530096).

Almost surely, 2^140343140434 is an apocalyptic number.

140343140434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

140343140434 is a deficient number, since it is larger than the sum of its proper divisors (100245100334).

140343140434 is a wasteful number, since it uses less digits than its factorization.

140343140434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10024510040.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 140343140434 its reverse (434041343041), we get a palindrome (574384483475).

The spelling of 140343140434 in words is "one hundred forty billion, three hundred forty-three million, one hundred forty thousand, four hundred thirty-four".