340135310512 has 80 divisors (see below), whose sum is σ = 700527484800. Its totient is φ = 159535733760.

The previous prime is 340135310507. The next prime is 340135310513. The reversal of 340135310512 is 215013531043.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (340135310513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18588664 + ... + 18606952.

It is an arithmetic number, because the mean of its divisors is an integer number (8756593560).

Almost surely, 2^340135310512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340135310512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350263742400).

340135310512 is an abundant number, since it is smaller than the sum of its proper divisors (360392174288).

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

340135310512 is a wasteful number, since it uses less digits than its factorization.

340135310512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18914 (or 18908 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 340135310512 its reverse (215013531043), we get a palindrome (555148841555).

The spelling of 340135310512 in words is "three hundred forty billion, one hundred thirty-five million, three hundred ten thousand, five hundred twelve".