133536361 has 4 divisors (see below), whose sum is σ = 152612992. Its totient is φ = 114459732.

The previous prime is 133536341. The next prime is 133536379. The reversal of 133536361 is 163635331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 163635331 = 3137 ⋅52163.

It is a cyclic number.

It is not a de Polignac number, because 133536361 - 2¹⁵ = 133503593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133536301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9538305 + ... + 9538318.

It is an arithmetic number, because the mean of its divisors is an integer number (38153248).

Almost surely, 2^133536361 is an apocalyptic number.

It is an amenable number.

133536361 is a deficient number, since it is larger than the sum of its proper divisors (19076631).

133536361 is an equidigital number, since it uses as much as digits as its factorization.

133536361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19076630.

The product of its digits is 14580, while the sum is 31.

The square root of 133536361 is about 11555.7933955224. The cubic root of 133536361 is about 511.1321267859.

The spelling of 133536361 in words is "one hundred thirty-three million, five hundred thirty-six thousand, three hundred sixty-one".