133968707 has 2 divisors, whose sum is σ = 133968708. Its totient is φ = 133968706.

The previous prime is 133968697. The next prime is 133968713. The reversal of 133968707 is 707869331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133968707 - 2⁴ = 133968691 is a prime.

It is a super-2 number, since 2×133968707² = 35895228910503698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133968727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66984353 + 66984354.

It is an arithmetic number, because the mean of its divisors is an integer number (66984354).

Almost surely, 2^133968707 is an apocalyptic number.

133968707 is a deficient number, since it is larger than the sum of its proper divisors (1).

133968707 is an equidigital number, since it uses as much as digits as its factorization.

133968707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 133968707 is about 11574.4851721362. The cubic root of 133968707 is about 511.6831573918.

The spelling of 133968707 in words is "one hundred thirty-three million, nine hundred sixty-eight thousand, seven hundred seven".