13135145 has 8 divisors (see below), whose sum is σ = 15795456. Its totient is φ = 10485936.

The previous prime is 13135141. The next prime is 13135153. The reversal of 13135145 is 54153131.

13135145 is nontrivially palindromic in base 7.

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 13135145 - 2² = 13135141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13135145.

It is not an unprimeable number, because it can be changed into a prime (13135141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104 + ... + 5126.

It is an arithmetic number, because the mean of its divisors is an integer number (1974432).

Almost surely, 2^13135145 is an apocalyptic number.

It is an amenable number.

13135145 is a deficient number, since it is larger than the sum of its proper divisors (2660311).

13135145 is an equidigital number, since it uses as much as digits as its factorization.

13135145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5551.

The product of its digits is 900, while the sum is 23.

The square root of 13135145 is about 3624.2440591108. The cubic root of 13135145 is about 235.9454592435.

Adding to 13135145 its reverse (54153131), we get a palindrome (67288276).

The spelling of 13135145 in words is "thirteen million, one hundred thirty-five thousand, one hundred forty-five".