340012005 has 8 divisors (see below), whose sum is σ = 544019232. Its totient is φ = 181339728.

The previous prime is 340012003. The next prime is 340012031. The reversal of 340012005 is 500210043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 340012005 - 2¹ = 340012003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 22667467 = 340012005 / (3 + 4 + 0 + 0 + 1 + 2 + 0 + 0 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340012003) 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 in 7 ways as a sum of consecutive naturals, for example, 11333719 + ... + 11333748.

It is an arithmetic number, because the mean of its divisors is an integer number (68002404).

Almost surely, 2^340012005 is an apocalyptic number.

It is an amenable number.

340012005 is a deficient number, since it is larger than the sum of its proper divisors (204007227).

340012005 is a wasteful number, since it uses less digits than its factorization.

340012005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22667475.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 340012005 is about 18439.4144429806. The cubic root of 340012005 is about 697.9614192297.

Adding to 340012005 its reverse (500210043), we get a palindrome (840222048).

The spelling of 340012005 in words is "three hundred forty million, twelve thousand, five".