13256133701 has 8 divisors (see below), whose sum is σ = 13288290840. Its totient is φ = 13224010752.

The previous prime is 13256133691. The next prime is 13256133703. The reversal of 13256133701 is 10733165231.

It can be written as a sum of positive squares in 4 ways, for example, as 2189304100 + 11066829601 = 46790^2 + 105199^2 .

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 13256133701 - 2¹⁸ = 13255871557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13256133703) 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, 875471 + ... + 890483.

It is an arithmetic number, because the mean of its divisors is an integer number (1661036355).

Almost surely, 2^13256133701 is an apocalyptic number.

It is an amenable number.

13256133701 is a deficient number, since it is larger than the sum of its proper divisors (32157139).

13256133701 is a wasteful number, since it uses less digits than its factorization.

13256133701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17095.

The product of its (nonzero) digits is 11340, while the sum is 32.

Adding to 13256133701 its reverse (10733165231), we get a palindrome (23989298932).

The spelling of 13256133701 in words is "thirteen billion, two hundred fifty-six million, one hundred thirty-three thousand, seven hundred one".