133678007 has 2 divisors, whose sum is σ = 133678008. Its totient is φ = 133678006.

The previous prime is 133677997. The next prime is 133678009. The reversal of 133678007 is 700876331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133678007 is a prime.

Together with 133678009, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133678009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66839003 + 66839004.

It is an arithmetic number, because the mean of its divisors is an integer number (66839004).

Almost surely, 2^133678007 is an apocalyptic number.

133678007 is a deficient number, since it is larger than the sum of its proper divisors (1).

133678007 is an equidigital number, since it uses as much as digits as its factorization.

133678007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 133678007 is about 11561.9205584539. The cubic root of 133678007 is about 511.3127872863.

The spelling of 133678007 in words is "one hundred thirty-three million, six hundred seventy-eight thousand, seven".