13940334217 has 8 divisors (see below), whose sum is σ = 14310115424. Its totient is φ = 13572625248.

The previous prime is 13940334137. The next prime is 13940334227. The reversal of 13940334217 is 71243304931.

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

It is a cyclic number.

It is not a de Polignac number, because 13940334217 - 2¹¹ = 13940332169 is a prime.

It is a super-2 number, since 2×13940334217² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13940334227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504423 + ... + 531340.

It is an arithmetic number, because the mean of its divisors is an integer number (1788764428).

Almost surely, 2^13940334217 is an apocalyptic number.

It is an amenable number.

13940334217 is a deficient number, since it is larger than the sum of its proper divisors (369781207).

13940334217 is a wasteful number, since it uses less digits than its factorization.

13940334217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036119.

The product of its (nonzero) digits is 54432, while the sum is 37.

The spelling of 13940334217 in words is "thirteen billion, nine hundred forty million, three hundred thirty-four thousand, two hundred seventeen".