340120342 has 4 divisors (see below), whose sum is σ = 510180516. Its totient is φ = 170060170.

The previous prime is 340120337. The next prime is 340120367. The reversal of 340120342 is 243021043.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 85030084 + ... + 85030087.

It is an arithmetic number, because the mean of its divisors is an integer number (127545129).

Almost surely, 2^340120342 is an apocalyptic number.

340120342 is a deficient number, since it is larger than the sum of its proper divisors (170060174).

340120342 is a wasteful number, since it uses less digits than its factorization.

340120342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170060173.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 340120342 is about 18442.3518565285. The cubic root of 340120342 is about 698.0355411387.

Adding to 340120342 its reverse (243021043), we get a palindrome (583141385).

The spelling of 340120342 in words is "three hundred forty million, one hundred twenty thousand, three hundred forty-two".