340141453521 has 8 divisors (see below), whose sum is σ = 453527792160. Its totient is φ = 226758041952.

The previous prime is 340141453499. The next prime is 340141453529. The reversal of 340141453521 is 125354141043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-340141453521 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (340141453529) 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, 444511 + ... + 936948.

It is an arithmetic number, because the mean of its divisors is an integer number (56690974020).

Almost surely, 2^340141453521 is an apocalyptic number.

It is an amenable number.

340141453521 is a deficient number, since it is larger than the sum of its proper divisors (113386338639).

340141453521 is a wasteful number, since it uses less digits than its factorization.

340141453521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463535.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 340141453521 its reverse (125354141043), we get a palindrome (465495594564).

The spelling of 340141453521 in words is "three hundred forty billion, one hundred forty-one million, four hundred fifty-three thousand, five hundred twenty-one".