340013434 has 4 divisors (see below), whose sum is σ = 510020154. Its totient is φ = 170006716.

The previous prime is 340013431. The next prime is 340013437. The reversal of 340013434 is 434310043.

340013434 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (340013431) and next prime (340013437).

It can be written as a sum of positive squares in only one way, i.e., 302864409 + 37149025 = 17403^2 + 6095^2 .

It is not an unprimeable number, because it can be changed into a prime (340013431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85003357 + ... + 85003360.

Almost surely, 2^340013434 is an apocalyptic number.

340013434 is a deficient number, since it is larger than the sum of its proper divisors (170006720).

340013434 is a wasteful number, since it uses less digits than its factorization.

340013434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170006719.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 340013434 is about 18439.4531914588. The cubic root of 340013434 is about 697.9623970241.

Adding to 340013434 its reverse (434310043), we get a palindrome (774323477).

The spelling of 340013434 in words is "three hundred forty million, thirteen thousand, four hundred thirty-four".