140155440042530 has 16 divisors (see below), whose sum is σ = 275214318629184. Its totient is φ = 50965614560880.

The previous prime is 140155440042437. The next prime is 140155440042539. The reversal of 140155440042530 is 35240044551041.

It is not an unprimeable number, because it can be changed into a prime (140155440042539) 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, 637070181902 + ... + 637070182121.

It is an arithmetic number, because the mean of its divisors is an integer number (17200894914324).

Almost surely, 2^{140155440042530} is an apocalyptic number.

140155440042530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140155440042530 is a deficient number, since it is larger than the sum of its proper divisors (135058878586654).

140155440042530 is a wasteful number, since it uses less digits than its factorization.

140155440042530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274140364041.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 140155440042530 its reverse (35240044551041), we get a palindrome (175395484593571).

The spelling of 140155440042530 in words is "one hundred forty trillion, one hundred fifty-five billion, four hundred forty million, forty-two thousand, five hundred thirty".