340142205 has 32 divisors (see below), whose sum is σ = 620573184. Its totient is φ = 157602816.

The previous prime is 340142203. The next prime is 340142207. The reversal of 340142205 is 502241043.

It is an interprime number because it is at equal distance from previous prime (340142203) and next prime (340142207).

It is not a de Polignac number, because 340142205 - 2¹ = 340142203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340142203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47989 + ... + 54618.

It is an arithmetic number, because the mean of its divisors is an integer number (19392912).

Almost surely, 2^340142205 is an apocalyptic number.

It is an amenable number.

340142205 is a deficient number, since it is larger than the sum of its proper divisors (280430979).

340142205 is a wasteful number, since it uses less digits than its factorization.

340142205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102645.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 340142205 is about 18442.9445859385. The cubic root of 340142205 is about 698.0504974372.

Adding to 340142205 its reverse (502241043), we get a palindrome (842383248).

The spelling of 340142205 in words is "three hundred forty million, one hundred forty-two thousand, two hundred five".