133141205 has 4 divisors (see below), whose sum is σ = 159769452. Its totient is φ = 106512960.

The previous prime is 133141159. The next prime is 133141219. The reversal of 133141205 is 502141331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 502141331 = 2143 ⋅234317.

It can be written as a sum of positive squares in 2 ways, for example, as 22344529 + 110796676 = 4727^2 + 10526^2 .

It is not a de Polignac number, because 133141205 - 2¹⁰ = 133140181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13314116 + ... + 13314125.

It is an arithmetic number, because the mean of its divisors is an integer number (39942363).

Almost surely, 2^133141205 is an apocalyptic number.

It is an amenable number.

133141205 is a deficient number, since it is larger than the sum of its proper divisors (26628247).

133141205 is an equidigital number, since it uses as much as digits as its factorization.

133141205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26628246.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 133141205 is about 11538.6829837725. The cubic root of 133141205 is about 510.6274540486.

Adding to 133141205 its reverse (502141331), we get a palindrome (635282536).

The spelling of 133141205 in words is "one hundred thirty-three million, one hundred forty-one thousand, two hundred five".