133712071 has 2 divisors, whose sum is σ = 133712072. Its totient is φ = 133712070.

The previous prime is 133712053. The next prime is 133712081. The reversal of 133712071 is 170217331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133712071 - 2⁹ = 133711559 is a prime.

It is a super-2 number, since 2×133712071² = 35757835862218082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133712081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66856035 + 66856036.

It is an arithmetic number, because the mean of its divisors is an integer number (66856036).

Almost surely, 2^133712071 is an apocalyptic number.

133712071 is a deficient number, since it is larger than the sum of its proper divisors (1).

133712071 is an equidigital number, since it uses as much as digits as its factorization.

133712071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 133712071 is about 11563.3935762820. The cubic root of 133712071 is about 511.3562147230.

The spelling of 133712071 in words is "one hundred thirty-three million, seven hundred twelve thousand, seventy-one".