13145133 has 8 divisors (see below), whose sum is σ = 17954496. Its totient is φ = 8549600.

The previous prime is 13145123. The next prime is 13145159. The reversal of 13145133 is 33154131.

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 13145133 - 2⁴ = 13145117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13145123) 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, 53313 + ... + 53558.

It is an arithmetic number, because the mean of its divisors is an integer number (2244312).

Almost surely, 2^13145133 is an apocalyptic number.

It is an amenable number.

13145133 is a deficient number, since it is larger than the sum of its proper divisors (4809363).

13145133 is a wasteful number, since it uses less digits than its factorization.

13145133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106915.

The product of its digits is 540, while the sum is 21.

The square root of 13145133 is about 3625.6217397848. The cubic root of 13145133 is about 236.0052486145.

Adding to 13145133 its reverse (33154131), we get a palindrome (46299264).

The spelling of 13145133 in words is "thirteen million, one hundred forty-five thousand, one hundred thirty-three".