340072109 has 12 divisors (see below), whose sum is σ = 369314496. Its totient is φ = 313000272.

The previous prime is 340072039. The next prime is 340072147. The reversal of 340072109 is 901270043.

It is not a de Polignac number, because 340072109 - 2¹² = 340068013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340072609) 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 11 ways as a sum of consecutive naturals, for example, 59282 + ... + 64764.

It is an arithmetic number, because the mean of its divisors is an integer number (30776208).

Almost surely, 2^340072109 is an apocalyptic number.

It is an amenable number.

340072109 is a deficient number, since it is larger than the sum of its proper divisors (29242387).

340072109 is a wasteful number, since it uses less digits than its factorization.

340072109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5876 (or 5863 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 340072109 is about 18441.0441407204. The cubic root of 340072109 is about 698.0025430733.

The spelling of 340072109 in words is "three hundred forty million, seventy-two thousand, one hundred nine".