13256435153 has 8 divisors (see below), whose sum is σ = 14348631528. Its totient is φ = 12174591744.

The previous prime is 13256435123. The next prime is 13256435161. The reversal of 13256435153 is 35153465231.

It can be written as a sum of positive squares in 4 ways, for example, as 472062529 + 12784372624 = 21727^2 + 113068^2 .

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 13256435153 - 2¹⁰ = 13256434129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13256435123) 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, 2585576 + ... + 2590697.

It is an arithmetic number, because the mean of its divisors is an integer number (1793578941).

Almost surely, 2^13256435153 is an apocalyptic number.

13256435153 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13256435153 is a deficient number, since it is larger than the sum of its proper divisors (1092196375).

13256435153 is a wasteful number, since it uses less digits than its factorization.

13256435153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5176483.

The product of its digits is 162000, while the sum is 38.

The spelling of 13256435153 in words is "thirteen billion, two hundred fifty-six million, four hundred thirty-five thousand, one hundred fifty-three".