140231115323540 has 12 divisors (see below), whose sum is σ = 294485342179476. Its totient is φ = 56092446129408.

The previous prime is 140231115323539. The next prime is 140231115323557. The reversal of 140231115323540 is 45323511132041.

It can be written as a sum of positive squares in 2 ways, for example, as 22900321143184 + 117330794180356 = 4785428^2 + 10831934^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140231115323540.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3505777883069 + ... + 3505777883108.

It is an arithmetic number, because the mean of its divisors is an integer number (24540445181623).

Almost surely, 2^{140231115323540} is an apocalyptic number.

140231115323540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140231115323540 is an abundant number, since it is smaller than the sum of its proper divisors (154254226855936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140231115323540 is a wasteful number, since it uses less digits than its factorization.

140231115323540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7011555766186 (or 7011555766184 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 140231115323540 its reverse (45323511132041), we get a palindrome (185554626455581).

The spelling of 140231115323540 in words is "one hundred forty trillion, two hundred thirty-one billion, one hundred fifteen million, three hundred twenty-three thousand, five hundred forty".