133707071 has 2 divisors, whose sum is σ = 133707072. Its totient is φ = 133707070.

The previous prime is 133706953. The next prime is 133707083. The reversal of 133707071 is 170707331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133707071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133707571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66853535 + 66853536.

It is an arithmetic number, because the mean of its divisors is an integer number (66853536).

Almost surely, 2^133707071 is an apocalyptic number.

133707071 is a deficient number, since it is larger than the sum of its proper divisors (1).

133707071 is an equidigital number, since it uses as much as digits as its factorization.

133707071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3087, while the sum is 29.

The square root of 133707071 is about 11563.1773747530. The cubic root of 133707071 is about 511.3498407960.

The spelling of 133707071 in words is "one hundred thirty-three million, seven hundred seven thousand, seventy-one".