133337841 has 16 divisors (see below), whose sum is σ = 218811264. Its totient is φ = 70331904.

The previous prime is 133337837. The next prime is 133337843. The reversal of 133337841 is 148733331.

It is a happy number.

It is not a de Polignac number, because 133337841 - 2² = 133337837 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133337843) 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, 243936 + ... + 244481.

It is an arithmetic number, because the mean of its divisors is an integer number (13675704).

Almost surely, 2^133337841 is an apocalyptic number.

It is an amenable number.

133337841 is a deficient number, since it is larger than the sum of its proper divisors (85473423).

133337841 is a wasteful number, since it uses less digits than its factorization.

133337841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488440.

The product of its digits is 18144, while the sum is 33.

The square root of 133337841 is about 11547.2005698351. The cubic root of 133337841 is about 510.8787119766.

The spelling of 133337841 in words is "one hundred thirty-three million, three hundred thirty-seven thousand, eight hundred forty-one".