340206405513 has 16 divisors (see below), whose sum is σ = 489216772800. Its totient is φ = 209051244864.

The previous prime is 340206405509. The next prime is 340206405521. The reversal of 340206405513 is 315504602043.

It is not a de Polignac number, because 340206405513 - 2² = 340206405509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340206405013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6359338 + ... + 6412611.

It is an arithmetic number, because the mean of its divisors is an integer number (30576048300).

Almost surely, 2^340206405513 is an apocalyptic number.

It is an amenable number.

340206405513 is a deficient number, since it is larger than the sum of its proper divisors (149010367287).

340206405513 is a wasteful number, since it uses less digits than its factorization.

340206405513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12772648.

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 340206405513 in words is "three hundred forty billion, two hundred six million, four hundred five thousand, five hundred thirteen".