140531505242 has 16 divisors (see below), whose sum is σ = 214509471264. Its totient is φ = 69038970000.

The previous prime is 140531505241. The next prime is 140531505259. The reversal of 140531505242 is 242505135041.

It is a junction number, because it is equal to n+sod(n) for n = 140531505199 and 140531505208.

It is not an unprimeable number, because it can be changed into a prime (140531505241) 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, 2628884 + ... + 2681807.

It is an arithmetic number, because the mean of its divisors is an integer number (13406841954).

Almost surely, 2^140531505242 is an apocalyptic number.

140531505242 is a deficient number, since it is larger than the sum of its proper divisors (73977966022).

140531505242 is a wasteful number, since it uses less digits than its factorization.

140531505242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5310925.

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 140531505242 in words is "one hundred forty billion, five hundred thirty-one million, five hundred five thousand, two hundred forty-two".