13136147 has 4 divisors (see below), whose sum is σ = 13491216. Its totient is φ = 12781080.

The previous prime is 13136143. The next prime is 13136153. The reversal of 13136147 is 74163131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74163131 = 7 ⋅10594733.

It is a cyclic number.

It is not a de Polignac number, because 13136147 - 2² = 13136143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13136143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177479 + ... + 177552.

It is an arithmetic number, because the mean of its divisors is an integer number (3372804).

Almost surely, 2^13136147 is an apocalyptic number.

13136147 is a deficient number, since it is larger than the sum of its proper divisors (355069).

13136147 is an equidigital number, since it uses as much as digits as its factorization.

13136147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355068.

The product of its digits is 1512, while the sum is 26.

The square root of 13136147 is about 3624.3822921982. The cubic root of 13136147 is about 235.9514587037.

Adding to 13136147 its reverse (74163131), we get a palindrome (87299278).

The spelling of 13136147 in words is "thirteen million, one hundred thirty-six thousand, one hundred forty-seven".