140142240343 has 32 divisors (see below), whose sum is σ = 168047953920. Its totient is φ = 114382160640.

The previous prime is 140142240323. The next prime is 140142240377. The reversal of 140142240343 is 343042241041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140142240343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140142240313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2062530 + ... + 2129392.

It is an arithmetic number, because the mean of its divisors is an integer number (5251498560).

Almost surely, 2^140142240343 is an apocalyptic number.

140142240343 is a deficient number, since it is larger than the sum of its proper divisors (27905713577).

140142240343 is a wasteful number, since it uses less digits than its factorization.

140142240343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67087.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 140142240343 its reverse (343042241041), we get a palindrome (483184481384).

The spelling of 140142240343 in words is "one hundred forty billion, one hundred forty-two million, two hundred forty thousand, three hundred forty-three".