133509094997 has 2 divisors, whose sum is σ = 133509094998. Its totient is φ = 133509094996.

The previous prime is 133509094973. The next prime is 133509095119. The reversal of 133509094997 is 799490905331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90838343236 + 42670751761 = 301394^2 + 206569^2 .

It is an emirp because it is prime and its reverse (799490905331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133509094997 - 2⁶ = 133509094933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133509094097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66754547498 + 66754547499.

It is an arithmetic number, because the mean of its divisors is an integer number (66754547499).

Almost surely, 2^133509094997 is an apocalyptic number.

It is an amenable number.

133509094997 is a deficient number, since it is larger than the sum of its proper divisors (1).

133509094997 is an equidigital number, since it uses as much as digits as its factorization.

133509094997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8266860, while the sum is 59.

The spelling of 133509094997 in words is "one hundred thirty-three billion, five hundred nine million, ninety-four thousand, nine hundred ninety-seven".