133286149 has 8 divisors (see below), whose sum is σ = 135975672. Its totient is φ = 130603200.

The previous prime is 133286129. The next prime is 133286161. The reversal of 133286149 is 941682331.

It can be written as a sum of positive squares in 4 ways, for example, as 6723649 + 126562500 = 2593^2 + 11250^2 .

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 133286149 - 2⁹ = 133285637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133286129) 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, 67987 + ... + 69919.

It is an arithmetic number, because the mean of its divisors is an integer number (16996959).

Almost surely, 2^133286149 is an apocalyptic number.

It is an amenable number.

133286149 is a deficient number, since it is larger than the sum of its proper divisors (2689523).

133286149 is a wasteful number, since it uses less digits than its factorization.

133286149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287.

The product of its digits is 31104, while the sum is 37.

The square root of 133286149 is about 11544.9620614361. The cubic root of 133286149 is about 510.8126848195.

The spelling of 133286149 in words is "one hundred thirty-three million, two hundred eighty-six thousand, one hundred forty-nine".