133487411 has 2 divisors, whose sum is σ = 133487412. Its totient is φ = 133487410.

The previous prime is 133487401. The next prime is 133487447. The reversal of 133487411 is 114784331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133487411 - 2¹⁰ = 133486387 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133487401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66743705 + 66743706.

It is an arithmetic number, because the mean of its divisors is an integer number (66743706).

Almost surely, 2^133487411 is an apocalyptic number.

133487411 is a deficient number, since it is larger than the sum of its proper divisors (1).

133487411 is an equidigital number, since it uses as much as digits as its factorization.

133487411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 32.

The square root of 133487411 is about 11553.6752161379. The cubic root of 133487411 is about 511.0696644593.

The spelling of 133487411 in words is "one hundred thirty-three million, four hundred eighty-seven thousand, four hundred eleven".