133413541 has 8 divisors (see below), whose sum is σ = 135726080. Its totient is φ = 131116752.

The previous prime is 133413517. The next prime is 133413551. The reversal of 133413541 is 145314331.

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 133413541 - 2¹¹ = 133411493 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 (133413551) 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, 13831 + ... + 21403.

It is an arithmetic number, because the mean of its divisors is an integer number (16965760).

Almost surely, 2^133413541 is an apocalyptic number.

It is an amenable number.

133413541 is a deficient number, since it is larger than the sum of its proper divisors (2312539).

133413541 is an equidigital number, since it uses as much as digits as its factorization.

133413541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7875.

The product of its digits is 2160, while the sum is 25.

The square root of 133413541 is about 11550.4779554787. The cubic root of 133413541 is about 510.9753742139.

Adding to 133413541 its reverse (145314331), we get a palindrome (278727872).

The spelling of 133413541 in words is "one hundred thirty-three million, four hundred thirteen thousand, five hundred forty-one".