133837601 has 2 divisors, whose sum is σ = 133837602. Its totient is φ = 133837600.

The previous prime is 133837579. The next prime is 133837607. The reversal of 133837601 is 106738331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96334225 + 37503376 = 9815^2 + 6124^2 .

It is a cyclic number.

It is not a de Polignac number, because 133837601 - 2¹⁴ = 133821217 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133837607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66918800 + 66918801.

It is an arithmetic number, because the mean of its divisors is an integer number (66918801).

Almost surely, 2^133837601 is an apocalyptic number.

It is an amenable number.

133837601 is a deficient number, since it is larger than the sum of its proper divisors (1).

133837601 is an equidigital number, since it uses as much as digits as its factorization.

133837601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 133837601 is about 11568.8202077826. The cubic root of 133837601 is about 511.5161864894.

The spelling of 133837601 in words is "one hundred thirty-three million, eight hundred thirty-seven thousand, six hundred one".