340145135144 has 16 divisors (see below), whose sum is σ = 642052480500. Its totient is φ = 168931140352.

The previous prime is 340145135131. The next prime is 340145135147. The reversal of 340145135144 is 441531541043.

It can be written as a sum of positive squares in 2 ways, for example, as 332110164100 + 8034971044 = 576290^2 + 89638^2 .

It is not an unprimeable number, because it can be changed into a prime (340145135147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142677137 + ... + 142679520.

Almost surely, 2^340145135144 is an apocalyptic number.

It is an amenable number.

340145135144 is a deficient number, since it is larger than the sum of its proper divisors (301907345356).

340145135144 is a wasteful number, since it uses less digits than its factorization.

340145135144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285356812 (or 285356808 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 340145135144 its reverse (441531541043), we get a palindrome (781676676187).

The spelling of 340145135144 in words is "three hundred forty billion, one hundred forty-five million, one hundred thirty-five thousand, one hundred forty-four".