133240441 has 16 divisors (see below), whose sum is σ = 148006656. Its totient is φ = 119390976.

The previous prime is 133240439. The next prime is 133240453. The reversal of 133240441 is 144042331.

It is a cyclic number.

It is not a de Polignac number, because 133240441 - 2¹ = 133240439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133240411) 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, 27310 + ... + 31816.

It is an arithmetic number, because the mean of its divisors is an integer number (9250416).

Almost surely, 2^133240441 is an apocalyptic number.

It is an amenable number.

133240441 is a deficient number, since it is larger than the sum of its proper divisors (14766215).

133240441 is a wasteful number, since it uses less digits than its factorization.

133240441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4608.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 133240441 is about 11542.9823269379. The cubic root of 133240441 is about 510.7542869143.

Adding to 133240441 its reverse (144042331), we get a palindrome (277282772).

The spelling of 133240441 in words is "one hundred thirty-three million, two hundred forty thousand, four hundred forty-one".