340134453405 has 48 divisors (see below), whose sum is σ = 606562729344. Its totient is φ = 176192599680.

The previous prime is 340134453401. The next prime is 340134453413. The reversal of 340134453405 is 504354431043.

340134453405 is a `hidden beast` number, since 34 + 0 + 134 + 453 + 40 + 5 = 666.

It is not a de Polignac number, because 340134453405 - 2² = 340134453401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340134453405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340134453401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 771832 + ... + 1129598.

It is an arithmetic number, because the mean of its divisors is an integer number (12636723528).

Almost surely, 2^340134453405 is an apocalyptic number.

It is an amenable number.

340134453405 is a deficient number, since it is larger than the sum of its proper divisors (266428275939).

340134453405 is a wasteful number, since it uses less digits than its factorization.

340134453405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358386 (or 358383 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 340134453405 its reverse (504354431043), we get a palindrome (844488884448).

The spelling of 340134453405 in words is "three hundred forty billion, one hundred thirty-four million, four hundred fifty-three thousand, four hundred five".