13456256009 has 8 divisors (see below), whose sum is σ = 15476532288. Its totient is φ = 11460468240.

The previous prime is 13456256003. The next prime is 13456256027. The reversal of 13456256009 is 90065265431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13456256009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13456256003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6120947 + ... + 6123144.

It is an arithmetic number, because the mean of its divisors is an integer number (1934566536).

Almost surely, 2^13456256009 is an apocalyptic number.

It is an amenable number.

13456256009 is a deficient number, since it is larger than the sum of its proper divisors (2020276279).

13456256009 is a wasteful number, since it uses less digits than its factorization.

13456256009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12244255.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 13456256009 in words is "thirteen billion, four hundred fifty-six million, two hundred fifty-six thousand, nine".