140323431142042 has 32 divisors (see below), whose sum is σ = 229940415619200. Its totient is φ = 63970602494400.

The previous prime is 140323431142033. The next prime is 140323431142079. The reversal of 140323431142042 is 240241134323041.

It is a junction number, because it is equal to n+sod(n) for n = 140323431141989 and 140323431142007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204376309 + ... + 205061752.

It is an arithmetic number, because the mean of its divisors is an integer number (7185637988100).

Almost surely, 2^{140323431142042} is an apocalyptic number.

140323431142042 is a deficient number, since it is larger than the sum of its proper divisors (89616984477158).

140323431142042 is a wasteful number, since it uses less digits than its factorization.

140323431142042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409438422.

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

Adding to 140323431142042 its reverse (240241134323041), we get a palindrome (380564565465083).

The spelling of 140323431142042 in words is "one hundred forty trillion, three hundred twenty-three billion, four hundred thirty-one million, one hundred forty-two thousand, forty-two".