340440134 has 4 divisors (see below), whose sum is σ = 510660204. Its totient is φ = 170220066.

The previous prime is 340440131. The next prime is 340440143. The reversal of 340440134 is 431044043.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340440131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85110032 + ... + 85110035.

It is an arithmetic number, because the mean of its divisors is an integer number (127665051).

Almost surely, 2^340440134 is an apocalyptic number.

340440134 is a deficient number, since it is larger than the sum of its proper divisors (170220070).

340440134 is a wasteful number, since it uses less digits than its factorization.

340440134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170220069.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 340440134 is about 18451.0198634113. The cubic root of 340440134 is about 698.2542443733.

Adding to 340440134 its reverse (431044043), we get a palindrome (771484177).

The spelling of 340440134 in words is "three hundred forty million, four hundred forty thousand, one hundred thirty-four".