13015145413 has 8 divisors (see below), whose sum is σ = 13782134232. Its totient is φ = 12248311296.

The previous prime is 13015145371. The next prime is 13015145417. The reversal of 13015145413 is 31454151031.

It can be written as a sum of positive squares in 4 ways, for example, as 2683032804 + 10332112609 = 51798^2 + 101647^2 .

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-13015145413 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 (13015145417) 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, 165331 + ... + 231007.

It is an arithmetic number, because the mean of its divisors is an integer number (1722766779).

Almost surely, 2^13015145413 is an apocalyptic number.

It is an amenable number.

13015145413 is a deficient number, since it is larger than the sum of its proper divisors (766988819).

13015145413 is a wasteful number, since it uses less digits than its factorization.

13015145413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77351.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 13015145413 its reverse (31454151031), we get a palindrome (44469296444).

The spelling of 13015145413 in words is "thirteen billion, fifteen million, one hundred forty-five thousand, four hundred thirteen".