133119997 has 2 divisors, whose sum is σ = 133119998. Its totient is φ = 133119996.

The previous prime is 133119971. The next prime is 133120019. The reversal of 133119997 is 799911331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69455556 + 63664441 = 8334^2 + 7979^2 .

It is an emirp because it is prime and its reverse (799911331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133119997 - 2⁷ = 133119869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133119937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66559998 + 66559999.

It is an arithmetic number, because the mean of its divisors is an integer number (66559999).

Almost surely, 2^133119997 is an apocalyptic number.

It is an amenable number.

133119997 is a deficient number, since it is larger than the sum of its proper divisors (1).

133119997 is an equidigital number, since it uses as much as digits as its factorization.

133119997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45927, while the sum is 43.

The square root of 133119997 is about 11537.7639514769. The cubic root of 133119997 is about 510.6003400732.

The spelling of 133119997 in words is "one hundred thirty-three million, one hundred nineteen thousand, nine hundred ninety-seven".