133240341 has 16 divisors (see below), whose sum is σ = 191528064. Its totient is φ = 81904704.

The previous prime is 133240319. The next prime is 133240343. The reversal of 133240341 is 143042331.

It is not a de Polignac number, because 133240341 - 2⁷ = 133240213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133240343) 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, 62800 + ... + 64886.

It is an arithmetic number, because the mean of its divisors is an integer number (11970504).

Almost surely, 2^133240341 is an apocalyptic number.

It is an amenable number.

133240341 is a deficient number, since it is larger than the sum of its proper divisors (58287723).

133240341 is a wasteful number, since it uses less digits than its factorization.

133240341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3740.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 133240341 is about 11542.9779953009. The cubic root of 133240341 is about 510.7541591367.

Adding to 133240341 its reverse (143042331), we get a palindrome (276282672).

The spelling of 133240341 in words is "one hundred thirty-three million, two hundred forty thousand, three hundred forty-one".