133539341 has 4 divisors (see below), whose sum is σ = 143811612. Its totient is φ = 123267072.

The previous prime is 133539331. The next prime is 133539359. The reversal of 133539341 is 143935331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20967241 + 112572100 = 4579^2 + 10610^2 .

It is a cyclic number.

It is not a de Polignac number, because 133539341 - 2¹⁸ = 133277197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133539298 and 133539307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133539331) 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, 5136116 + ... + 5136141.

It is an arithmetic number, because the mean of its divisors is an integer number (35952903).

Almost surely, 2^133539341 is an apocalyptic number.

It is an amenable number.

133539341 is a deficient number, since it is larger than the sum of its proper divisors (10272271).

133539341 is a wasteful number, since it uses less digits than its factorization.

133539341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10272270.

The product of its digits is 14580, while the sum is 32.

The square root of 133539341 is about 11555.9223344569. The cubic root of 133539341 is about 511.1359289024.

The spelling of 133539341 in words is "one hundred thirty-three million, five hundred thirty-nine thousand, three hundred forty-one".