340289146 has 4 divisors (see below), whose sum is σ = 510433722. Its totient is φ = 170144572.

The previous prime is 340289141. The next prime is 340289177. The reversal of 340289146 is 641982043.

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

It can be written as a sum of positive squares in only one way, i.e., 193515921 + 146773225 = 13911^2 + 12115^2 .

It is not an unprimeable number, because it can be changed into a prime (340289141) 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 as a sum of consecutive naturals, namely, 85072285 + ... + 85072288.

Almost surely, 2^340289146 is an apocalyptic number.

340289146 is a deficient number, since it is larger than the sum of its proper divisors (170144576).

340289146 is a wasteful number, since it uses less digits than its factorization.

340289146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170144575.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 340289146 is about 18446.9278201006. The cubic root of 340289146 is about 698.1510019417.

The spelling of 340289146 in words is "three hundred forty million, two hundred eighty-nine thousand, one hundred forty-six".