140236366540 has 48 divisors (see below), whose sum is σ = 300201279840. Its totient is φ = 55008944640.

The previous prime is 140236366531. The next prime is 140236366559. The reversal of 140236366540 is 45663632041.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 140236366493 and 140236366502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2182675 + ... + 2246005.

It is an arithmetic number, because the mean of its divisors is an integer number (6254193330).

Almost surely, 2^140236366540 is an apocalyptic number.

140236366540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140236366540 is an abundant number, since it is smaller than the sum of its proper divisors (159964913300).

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

140236366540 is a wasteful number, since it uses less digits than its factorization.

140236366540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65482 (or 65480 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 40.

Adding to 140236366540 its reverse (45663632041), we get a palindrome (185899998581).

The spelling of 140236366540 in words is "one hundred forty billion, two hundred thirty-six million, three hundred sixty-six thousand, five hundred forty".