140013243213440 has 128 divisors (see below), whose sum is σ = 336701706664320. Its totient is φ = 55673668915200.

The previous prime is 140013243213367. The next prime is 140013243213469. The reversal of 140013243213440 is 44312342310041.

140013243213440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 140013243213397 and 140013243213406.

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, 813816707 + ... + 813988733.

It is an arithmetic number, because the mean of its divisors is an integer number (2630482083315).

Almost surely, 2^{140013243213440} is an apocalyptic number.

140013243213440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140013243213440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168350853332160).

140013243213440 is an abundant number, since it is smaller than the sum of its proper divisors (196688463450880).

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

140013243213440 is a wasteful number, since it uses less digits than its factorization.

140013243213440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179570 (or 179558 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 140013243213440 its reverse (44312342310041), we get a palindrome (184325585523481).

The spelling of 140013243213440 in words is "one hundred forty trillion, thirteen billion, two hundred forty-three million, two hundred thirteen thousand, four hundred forty".