13256489147 has 8 divisors (see below), whose sum is σ = 14490042480. Its totient is φ = 12027672160.

The previous prime is 13256489087. The next prime is 13256489159. The reversal of 13256489147 is 74198465231.

It is a happy number.

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 13256489147 - 2²² = 13252294843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13256489095 and 13256489104.

It is not an unprimeable number, because it can be changed into a prime (13256489647) 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, 1178228 + ... + 1189425.

It is an arithmetic number, because the mean of its divisors is an integer number (1811255310).

Almost surely, 2^13256489147 is an apocalyptic number.

13256489147 is a deficient number, since it is larger than the sum of its proper divisors (1233553333).

13256489147 is a wasteful number, since it uses less digits than its factorization.

13256489147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2368173.

The product of its digits is 1451520, while the sum is 50.

The spelling of 13256489147 in words is "thirteen billion, two hundred fifty-six million, four hundred eighty-nine thousand, one hundred forty-seven".