133635441 has 16 divisors (see below), whose sum is σ = 183032640. Its totient is φ = 86676480.

The previous prime is 133635431. The next prime is 133635457. The reversal of 133635441 is 144536331.

It is not a de Polignac number, because 133635441 - 2⁵ = 133635409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133635399 and 133635408.

It is not an unprimeable number, because it can be changed into a prime (133635401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50241 + ... + 52833.

It is an arithmetic number, because the mean of its divisors is an integer number (11439540).

Almost surely, 2^133635441 is an apocalyptic number.

It is an amenable number.

133635441 is a deficient number, since it is larger than the sum of its proper divisors (49397199).

133635441 is a wasteful number, since it uses less digits than its factorization.

133635441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3056.

The product of its digits is 12960, while the sum is 30.

The square root of 133635441 is about 11560.0796277534. The cubic root of 133635441 is about 511.2585104682.

The spelling of 133635441 in words is "one hundred thirty-three million, six hundred thirty-five thousand, four hundred forty-one".