134638307 has 2 divisors, whose sum is σ = 134638308. Its totient is φ = 134638306.

The previous prime is 134638243. The next prime is 134638327. The reversal of 134638307 is 703836431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134638307 - 2⁶ = 134638243 is a prime.

It is not a weakly prime, because it can be changed into another prime (134638327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67319153 + 67319154.

It is an arithmetic number, because the mean of its divisors is an integer number (67319154).

Almost surely, 2^134638307 is an apocalyptic number.

134638307 is a deficient number, since it is larger than the sum of its proper divisors (1).

134638307 is an equidigital number, since it uses as much as digits as its factorization.

134638307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 134638307 is about 11603.3748108040. The cubic root of 134638307 is about 512.5342362217.

The spelling of 134638307 in words is "one hundred thirty-four million, six hundred thirty-eight thousand, three hundred seven".