340120356 has 24 divisors (see below), whose sum is σ = 794004960. Its totient is φ = 113317632.

The previous prime is 340120337. The next prime is 340120367. The reversal of 340120356 is 653021043.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23860 + ... + 35348.

It is an arithmetic number, because the mean of its divisors is an integer number (33083540).

Almost surely, 2^340120356 is an apocalyptic number.

It is an amenable number.

340120356 is an abundant number, since it is smaller than the sum of its proper divisors (453884604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340120356 is a wasteful number, since it uses less digits than its factorization.

340120356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13963 (or 13961 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 340120356 is about 18442.3522360896. The cubic root of 340120356 is about 698.0355507162.

Adding to 340120356 its reverse (653021043), we get a palindrome (993141399).

The spelling of 340120356 in words is "three hundred forty million, one hundred twenty thousand, three hundred fifty-six".